CVE-2026-7124

A vulnerability was determined in Totolink A8000RU 7.1cu.643_b20200521. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument addrPrefixLen can lead to os command injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Score

CVSS 3.1 9.8 Critical

Status

Deferred - cna@vuldb.com

Published

2026-04-27

Last modified

2026-10-26

Weaknesses

CWE-77, CWE-78

Affected products

• A8000ru Firmware (Totolink)

References

• https://vuldb.com/vuln/359723
• https://vuldb.com/vuln/359723/cti
• https://vuldb.com/submit/801005
• https://github.com/Litengzheng/vuldb_new2/tree/main/A8000RU/vul_309/README.md
• https://www.totolink.net/