CVE-2025-6121

CRITICAL

D-Link DIR-632 FW103B08 - Stack-Based Buffer Overflow via Content-Length Manipulation

Title source: llm
STIX 2.1

Description

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.

References (6)

Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.312590
Permissions Required signature permissions-required
https://vuldb.com/?ctiid.312590
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.592574
Product product
https://www.dlink.com/

Scores

CVSS v3 9.8
EPSS 0.0189
EPSS Percentile 76.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
dlink/dir-632_firmware 103b08
Published Jun 16, 2025
Tracked Since Feb 18, 2026