CVE-2025-6121

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.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

Affected Products

Vendor	Product	Versions
dlink	dir-632_firmware	All
dlink	dir-632	All

References

Exploits

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

Other References

https://vuldb.com/?ctiid.312590 https://vuldb.com/?id.312590 https://vuldb.com/?submit.592574 https://www.dlink.com/

Frequently Asked Questions

What is CVE-2025-6121? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-6121? +

CVE-2025-6121 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-6121? +

CVE-2025-6121 affects products from dlink, specifically: dir-632, dir-632_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6121? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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