CVE-2025-6121 is a critical stack-based buffer overflow vulnerability in the D-Link DIR-632 router, specifically affecting firmware version FW103B08. This flaw, residing in the HTTP POST Request Handler's get_pure_content function, can be triggered remotely by manipulating the Content-Length argument. With a CVSS score of 9.8 (Critical), it allows for complete compromise of confidentiality, integrity, and availability with low attack complexity and no user interaction required. While exploit code has been publicly disclosed and community discussion exists, the vulnerability affects an end-of-life product, meaning no official patches will be released.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
103b08CPE matchmatch criteria | cpe:2.3:o:dlink:dir-632_firmware:103b08:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.