CVE-2026-12174: dcs-935l Buffer Overflow (CVSS 8.8)

Description

A security vulnerability has been detected in D-Link DCS-935L 1.10.01. This issue affects the function snprintf of the file /web/cgi-bin/greece/rhea of the component HTTP Handler. Such manipulation of the argument data leads to format string. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.

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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

EPSS — Exploit Prediction

0.0058

Probability of exploitation

0.44%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-134 CWE-134

Affected Products

Vendor	Product	Versions
dlink	dcs-935l_firmware	All
dlink	dcs-935l	All

References

Other References

https://github.com/Real-Simplicity/cve-database/tree/main/CVE_Report_DLink_DCS935L_Format_String https://vuldb.com/cve/CVE-2026-12174 https://vuldb.com/submit/837209 https://vuldb.com/vuln/370815 https://vuldb.com/vuln/370815/cti https://www.dlink.com/

Frequently Asked Questions

What is CVE-2026-12174? +

A security vulnerability has been detected in D-Link DCS-935L 1.10.01. This issue affects the function snprintf of the file /web/cgi-bin/greece/rhea of the component HTTP Handler. Such manipulation of the argument data leads to format string. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-12174? +

CVE-2026-12174 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. The EPSS score is 0.0058, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-12174? +

CVE-2026-12174 affects products from dlink, specifically: dcs-935l, dcs-935l_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-12174? +

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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