What’s Vulnerable › Vulnerabilities

CVE-2024-7331: TOTOLINK A3300R cstecgi.cgi UploadCustomModule buffer overflow

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2024-08-01 · updated 2026-06-17
• Weakness: CWE-120

Description

A vulnerability was found in TOTOLINK A3300R 17.0.0cu.557_B20221024 and classified as critical. Affected by this issue is the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument File leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-273254 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Totolink A3300R: 17.0.0cu.557_b20221024

References

• https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3300R/UploadCustomModule.md
• https://vuldb.com/?ctiid.273254
• https://vuldb.com/?id.273254
• https://vuldb.com/?submit.378351

Get alerted when CVE-2024-7331 or the next vulnerability affects your stack