CVE-2024-12987: DrayTek Vigor Routers OS Command Injection Vulnerability

CVE-2024-12987 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2025-05-15

DrayTek Vigor2960, Vigor300B, and Vigor3900 routers contain an OS command injection vulnerability in the Web Management Interface. The flaw exists within the /cgi-bin/mainfunction.cgi/apmcfgupload endpoint where improper neutralization of the 'session' argument allows remote attackers to execute arbitrary commands.

Vendors: DrayTek.

Quick answers

Is CVE-2024-12987 exploited in the wild?
Yes. CVE-2024-12987 is known to be exploited in the wild, first recorded on 15 May 2025. Treat it as urgent.
How severe is CVE-2024-12987?
Critical severity, with a CVSS score of 9.8, published 15 May 2025.
Which products and versions are affected?
DrayTek Vigor2960 1.5.1.4; DrayTek Vigor300B 1.5.1.4; DrayTek Vigor3900 1.5.1.4.
Is there a fix for CVE-2024-12987?
A patch was published on 2025-05-15: Firmware version 1.5.1.5 released to address the issue. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2024-12987 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2024-12987?
Check whether you run DrayTek Vigor or DrayTek Vigor Routers. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • DrayTek Vigor2960 1.5.1.4
  • DrayTek Vigor300B 1.5.1.4
  • DrayTek Vigor3900 1.5.1.4

Timeline

  • 2025-05-14: disclosed: Public disclosure of the exploit and vulnerability details.
  • 2025-05-15: kev added: Added to CISA Known Exploited Vulnerabilities (KEV) catalog.
  • 2025-05-15: patched: Firmware version 1.5.1.5 released to address the issue.

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