CRITICAL: CVE-2025-6121 (CVSS 9.8) — dlink dir-632 firmware
CVE: CVE-2025-6121
CVSS: 9.8 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL
Status: Critical advisory
Affected
- dlink dir-632 firmware
- dlink dir-632
Summary
A vulnerability, which was classified as critical, has been found in D-Link DIR-632 FW103B08. Affected by this issue is the function get_pure_content of the component HTTP POST Request Handler. The manipulation of the argument Content-Length leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Verified Sources
References
- https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-get_pure_content
- https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir632-dlink-get_pure_content#poc
- https://vuldb.com/?ctiid.312590
- https://vuldb.com/?id.312590
- https://vuldb.com/?submit.592574
- https://www.dlink.com/
_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._
Lyrie Verdict
A vulnerability of this severity is exactly what Lyrie's anti-rogue-AI defense is built for: continuous, autonomous monitoring that doesn't wait for human reaction time.
Validated sources
- [1]NVD
- [2]GitHub Advisory
- [3]MITRE