Critical 10.0Published Oct 26, 2026

CVE-2026-116508TOTOLINK A950RG Device-Information CGI infostat.cgi sub_402340 stack-based overflow

Updated under an hour ago (Oct 30, 2026, 6:10 AM ET)

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It affects TOTOLINK A950RG. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.61%, higher than 49% of scored CVEs.

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A security flaw has been discovered in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this issue is the function sub_402340 of the file infostat.cgi of the component Device-Information CGI. Performing a manipulation of the argument CONTENT_LENGTH results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

CVSS: 10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.61% (percentile 49)
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

TOTOLINK A950RG totolink:a950rg_firmware	4.1.2cu.5268_B20221104	CNA record

References

References

https://vuldb.com/vuln/426406	vdb-entry, technical-description
https://vuldb.com/vuln/426406/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-116508	third-party-advisory
https://vuldb.com/submit/1022557	third-party-advisory
https://gist.github.com/H3rmesk1t/ad72def4ccc232757d4cbabf45da72cb	exploit
https://www.totolink.net/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.