CVE-2025-8159: dir-513 Buffer Overflow (CVSS 8.8)

Description

A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. This issue affects the function formLanguageChange of the file /goform/formLanguageChange of the component HTTP POST Request Handler. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be initiated 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.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-121 CWE-121

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
dlink	dir-513_firmware	All
dlink	dir-513	All

References

Other References

https://github.com/boyslikesports/vul/blob/main/formLanguageChange.md https://vuldb.com/?ctiid.317573 https://vuldb.com/?id.317573 https://vuldb.com/?submit.620604 https://www.dlink.com/ https://github.com/boyslikesports/vul/blob/main/formLanguageChange.md

Frequently Asked Questions

What is CVE-2025-8159? +

A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. This issue affects the function formLanguageChange of the file /goform/formLanguageChange of the component HTTP POST Request Handler. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be initiated 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 8.8 (HIGH).

How severe is CVE-2025-8159? +

CVE-2025-8159 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-8159? +

CVE-2025-8159 affects products from dlink, specifically: dir-513, dir-513_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8159? +

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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