CVE Tools

Dir-2640-us Firmware

7 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for Dir-2640-us Firmware, a product in the networking infrastructure space. Use it to gauge the current risk picture and drill into individual advisories.

Dir-2640-us Firmware CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
Dir-2640-us Firmware CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 7 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • High571%
  • Medium229%

Latest CVEs

The 7 most recently published vulnerabilities affecting Dir-2640-us Firmware.

  1. CVE-2021-20134Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 are affected by an absolute path traversal vulnerability that allows a remote, authenticated attacker to set an arbitrary fi...8.4
  2. CVE-2021-20133Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 are affected by an absolute path traversal vulnerability that allows a remote, authenticated attacker to set the "message of...6.1
  3. CVE-2021-20132Quagga Services on D-Link DIR-2640 less than or equal to version 1.11B02 use default hard-coded credentials, which can allow a remote attacker to gain administrative access to the zebra or ripd tho...8.8
  4. CVE-2021-34204D-Link DIR-2640-US 1.01B04 is affected by Insufficiently Protected Credentials. D-Link AC2600(DIR-2640) stores the device system account password in plain text. It does not use linux user managemen...6.8
  5. CVE-2021-34201D-Link DIR-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the gl...7.1
  6. CVE-2021-34203D-Link DIR-2640-US 1.01B04 is vulnerable to Incorrect Access Control. Router ac2600 (dir-2640-us), when setting PPPoE, will start quagga process in the way of whole network monitoring, and this fun...8.1
  7. CVE-2021-34202There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrar...7.8

Product grouping is registry-driven, with AI assist and human review. How it works

We use analytics cookies to see which pages and articles actually help people. Decline and none of them run — the site works the same. What we store