CVE-2023-7095: Totolink A7100RU HTTP POST Request main buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 13.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-25 · updated 2026-06-17
Weakness: CWE-120

Description

A vulnerability, which was classified as critical, has been found in Totolink A7100RU 7.4cu.2313_B20191024. Affected by this issue is the function main of the file /cgi-bin/cstecgi.cgi?action=login of the component HTTP POST Request Handler. The manipulation of the argument flag leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-248942 is the identifier assigned to this vulnerability.

Affected products

Totolink A7100RU: 7.4cu.2313_b20191024

References

https://github.com/unpWn4bL3/iot-security/blob/main/2.md
https://vuldb.com/?ctiid.248942
https://vuldb.com/?id.248942
https://github.com/unpWn4bL3/iot-security/blob/main/2.md
https://vuldb.com/?ctiid.248942
https://vuldb.com/?id.248942

Get alerted when CVE-2023-7095 or the next vulnerability affects your stack