CVE-2024-38267
No known exploitation. EPSS puts it in the 35th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
An improper restriction of operations within the bounds of a memory buffer in the IPv6 address parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.4% chance of exploitation activity in the next 30 days, which ranks it in the 35th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 639 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- wx5600-t0 firmwareNetworking Infrastructure
- wx3401-b0 firmwareNetworking Infrastructure
- wx3100-t0 firmwareNetworking Infrastructure
- scr50axe firmwareNetworking Infrastructure
- px3321-t1 firmwareNetworking Infrastructure
- pm7300-t0 firmwareNetworking Infrastructure
- pm5100-t0 firmwareNetworking Infrastructure
- pm3100-t0 firmwareNetworking Infrastructure
And 76 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Scored 4.9 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required HighRequires admin or elevated privileges
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
- zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-memory-corruption-vulnerabilities-in-some-dsl-ethernet-cpe-fiber-ont-wifi-extender-and-security-router-versions-09-24-2024
- zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-memory-corruption-vulnerabilities-in-some-dsl-ethernet-cpe-fiber-ont-wifi-extender-and-security-router-versions-09-24-2024&
- vuldb.com/?id.278338
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