CVE Tools

Zyxel

239 CVEs tracked since 2000. Since Feb 2000, 6 of them reached CISA KEV.

Zyxel CVEs per month

Feb 2000 to Feb 2026. Point at a month, or focus the strip and use the arrow keys.
Zyxel CVEs per month, with the share now in CISA KEV
MonthCVEsIn CISA KEV
2000-0210
2000-03null or fewer
2000-04null or fewer
2000-05null or fewer
2000-06null or fewer
2000-07null or fewer
2000-08null or fewer
2000-09null or fewer
2000-10null or fewer
2000-11null or fewer
2000-12null or fewer
2001-01null or fewer
2001-02null or fewer
2001-03null or fewer
2001-04null or fewer
2001-05null or fewer
2001-06null or fewer
2001-07null or fewer
2001-08null or fewer
2001-09null or fewer
2001-10null or fewer
2001-11null or fewer
2001-12null or fewer
2002-01null or fewer
2002-02null or fewer
2002-0320
2002-04null or fewer
2002-05null or fewer
2002-06null or fewer
2002-07null or fewer
2002-0820
2002-09null or fewer
2002-10null or fewer
2002-11null or fewer
2002-12null or fewer
2003-01null or fewer
2003-02null or fewer
2003-03null or fewer
2003-04null or fewer
2003-05null or fewer
2003-06null or fewer
2003-07null or fewer
2003-08null or fewer
2003-09null or fewer
2003-10null or fewer
2003-11null or fewer
2003-12null or fewer
2004-01null or fewer
2004-02null or fewer
2004-03null or fewer
2004-04null or fewer
2004-05null or fewer
2004-06null or fewer
2004-0710
2004-08null or fewer
2004-09null or fewer
2004-10null or fewer
2004-11null or fewer
2004-12null or fewer
2005-01null or fewer
2005-0230
2005-03null or fewer
2005-04null or fewer
2005-0520
2005-06null or fewer
2005-07null or fewer
2005-08null or fewer
2005-09null or fewer
2005-10null or fewer
2005-1120
2005-12null or fewer
2006-01null or fewer
2006-02null or fewer
2006-03null or fewer
2006-04null or fewer
2006-05null or fewer
2006-06null or fewer
2006-07null or fewer
2006-08null or fewer
2006-09null or fewer
2006-10null or fewer
2006-11null or fewer
2006-12null or fewer
2007-01null or fewer
2007-02null or fewer
2007-03null or fewer
2007-04null or fewer
2007-05null or fewer
2007-06null or fewer
2007-07null or fewer
2007-0840
2007-09null or fewer
2007-10null or fewer
2007-11null or fewer
2007-12null or fewer
2008-01null or fewer
2008-02null or fewer
2008-03170
2008-04null or fewer
2008-05null or fewer
2008-06null or fewer
2008-07null or fewer
2008-08null or fewer
2008-09null or fewer
2008-10null or fewer
2008-11null or fewer
2008-12null or fewer
2009-01null or fewer
2009-02null or fewer
2009-03null or fewer
2009-04null or fewer
2009-05null or fewer
2009-06null or fewer
2009-07null or fewer
2009-08null or fewer
2009-0920
2009-10null or fewer
2009-11null or fewer
2009-12null or fewer
2010-01null or fewer
2010-02null or fewer
2010-03null or fewer
2010-04null or fewer
2010-05null or fewer
2010-06null or fewer
2010-07null or fewer
2010-08null or fewer
2010-09null or fewer
2010-10null or fewer
2010-11null or fewer
2010-12null or fewer
2011-01null or fewer
2011-02null or fewer
2011-03null or fewer
2011-0410
2011-05null or fewer
2011-06null or fewer
2011-07null or fewer
2011-0810
2011-09null or fewer
2011-10null or fewer
2011-1110
2011-12null or fewer
2012-01null or fewer
2012-02null or fewer
2012-03null or fewer
2012-04null or fewer
2012-05null or fewer
2012-06null or fewer
2012-07null or fewer
2012-08null or fewer
2012-09null or fewer
2012-10null or fewer
2012-11null or fewer
2012-12null or fewer
2013-01null or fewer
2013-02null or fewer
2013-03null or fewer
2013-04null or fewer
2013-05null or fewer
2013-06null or fewer
2013-07null or fewer
2013-08null or fewer
2013-09null or fewer
2013-10null or fewer
2013-11null or fewer
2013-12null or fewer
2014-01null or fewer
2014-02null or fewer
2014-03null or fewer
2014-0450
2014-05null or fewer
2014-06null or fewer
2014-07null or fewer
2014-08null or fewer
2014-09null or fewer
2014-1020
2014-11null or fewer
2014-12null or fewer
2015-01null or fewer
2015-02null or fewer
2015-03null or fewer
2015-04null or fewer
2015-05null or fewer
2015-06null or fewer
2015-07null or fewer
2015-08null or fewer
2015-09null or fewer
2015-10null or fewer
2015-11null or fewer
2015-12110
2016-01null or fewer
2016-0250
2016-0370
2016-0430
2016-05null or fewer
2016-06null or fewer
2016-0720
2016-08null or fewer
2016-09null or fewer
2016-10null or fewer
2016-11null or fewer
2016-12null or fewer
2017-01null or fewer
2017-02null or fewer
2017-03null or fewer
2017-04null or fewer
2017-05null or fewer
2017-06null or fewer
2017-07null or fewer
2017-08null or fewer
2017-09null or fewer
2017-10110
2017-11null or fewer
2017-12null or fewer
2018-01null or fewer
2018-02null or fewer
2018-03null or fewer
2018-04null or fewer
2018-05null or fewer
2018-06null or fewer
2018-07null or fewer
2018-08null or fewer
2018-09null or fewer
2018-10null or fewer
2018-11null or fewer
2018-12null or fewer
2019-01null or fewer
2019-02null or fewer
2019-03null or fewer
2019-04null or fewer
2019-0561
2019-06null or fewer
2019-07null or fewer
2019-08null or fewer
2019-09null or fewer
2019-10null or fewer
2019-1170
2019-12null or fewer
2020-01null or fewer
2020-02null or fewer
2020-03null or fewer
2020-04null or fewer
2020-05null or fewer
2020-06390
2020-07null or fewer
2020-0830
2020-09null or fewer
2020-10null or fewer
2020-11null or fewer
2020-1231
2021-01null or fewer
2021-02null or fewer
2021-03null or fewer
2021-04null or fewer
2021-05null or fewer
2021-06null or fewer
2021-07null or fewer
2021-08null or fewer
2021-09null or fewer
2021-10null or fewer
2021-11null or fewer
2021-1240
2022-01null or fewer
2022-02null or fewer
2022-0340
2022-04null or fewer
2022-0551
2022-06null or fewer
2022-07null or fewer
2022-08null or fewer
2022-09null or fewer
2022-10null or fewer
2022-11null or fewer
2022-12null or fewer
2023-0170
2023-0240
2023-03null or fewer
2023-04111
2023-0592
2023-06null or fewer
2023-0770
2023-08null or fewer
2023-09null or fewer
2023-10null or fewer
2023-11170
2023-12null or fewer
2024-01null or fewer
2024-02null or fewer
2024-03null or fewer
2024-04null or fewer
2024-05null or fewer
2024-0650
2024-07null or fewer
2024-08null or fewer
2024-09150
2024-10null or fewer
2024-11null or fewer
2024-12null or fewer
2025-01null or fewer
2025-02null or fewer
2025-03null or fewer
2025-04null or fewer
2025-05null or fewer
2025-06null or fewer
2025-07null or fewer
2025-08null or fewer
2025-09null or fewer
2025-10null or fewer
2025-11null or fewer
2025-12null or fewer
2026-01null or fewer
2026-0280

Products

The products that kept showing up in Zyxel's monthly top three, with their CVEs summed over those months.

  1. Cloudcnm Secumanager351 month
  2. GS1900-10HP Firmware255 months
  3. Usg Flex162 months
  4. Zld162 months
  5. Zynos143 months
  6. NWA5120101 month
  7. NWA5301-NJ101 month
  8. WAC6100101 month
  9. Atp92 months
  10. Usg Flex 100 Firmware91 month

Latest CVEs

The 15 most recently published vulnerabilities affecting Zyxel.

  1. CVE-2026-14818A path traversal vulnerability in the CLI command used to execute configuration files in Zyxel ATP series firmware versions from V4.32 through V5.42 Patch 1, USG FLEX series firmware versions from ...7.2
  2. CVE-2026-8508An improper authentication vulnerability in the "social_login.cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an attacker on the WLAN to bypass captive portal...6.5
  3. CVE-2026-6837A post-authentication command injection vulnerability in the "export-cgi" CGI program in Zyxel WAX650S firmware versions through 7.10(ABRM.4)C0 could allow an authenticated attacker with administra...7.2
  4. CVE-2026-6952A post-authentication command injection vulnerability in the "LogServer" field of the syslog component in Zyxel AX7501-B1 firmware versions through 5.17(ABPC.7.2)C0 could allow an authenticated at...7.2
  5. CVE-2026-7273A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw...8.8
  6. CVE-2026-3871A buffer overflow vulnerability in the UPnP DeletePortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary deni...6.5
  7. CVE-2026-3870A buffer overflow vulnerability in the UPnP AddPortMapping() command in Zyxel VMG4005-B50B firmware versions through 5.13(ABRL.5.4)C0 could allow an adjacent attacker to trigger a temporary denial-...6.5
  8. CVE-2026-4795A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0,  GS1200-5HPv3 firmware versions through 1....6.5
  9. CVE-2026-7287** UNSUPPORTED WHEN ASSIGNED ** A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel N...7.5
  10. CVE-2026-7257** UNSUPPORTED WHEN ASSIGNED ** An insecure storage of sensitive information vulnerability in the configuration file of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow a local attacke...4.4
  11. CVE-2026-7256** UNSUPPORTED WHEN ASSIGNED ** A command injection vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the LAN to execute oper...8.8
  12. CVE-2026-7255** UNSUPPORTED WHEN ASSIGNED ** An improper restriction of excessive authentication attempts vulnerability in the web management interface of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could...6.5
  13. CVE-2026-1460A post-authentication command injection vulnerability in the “DomainName” parameter of the DHCP configuration file in Zyxel DX3301-T0 and EX3301-T0 firmware versions through 5.50(ABVY.7.1)C0 co...7.2
  14. CVE-2026-0711A post-authentication command injection vulnerability in the EasyMesh-related APIs of Zyxel DX3300-T0 firmware versions through 5.50(ABVY.7.1)C0 could allow an authenticated, adjacent attacker with...6.8
  15. CVE-2026-6058** UNSUPPORTED WHEN ASSIGNED ** An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00(ABDV.3)C0 could allow an adjacent attacker on the WLAN t...4.5

The record

Peak rank
#5 in Mar 2008
Busiest month shown
Jun 2020, 39 CVEs
Months with a KEV entry
5 since Feb 2000
Monthly snapshots
38 since 2000
Zyxel's full record, month by month

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