CVE-2026-7124

critical

Description

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.

References

https://www.totolink.net/

https://vuldb.com/vuln/359723/cti

https://vuldb.com/vuln/359723

https://vuldb.com/submit/801005

https://github.com/Litengzheng/vuldb_new2/tree/main/A8000RU/vul_309/README.md

Details

Source: Mitre, NVD

Published: 2026-04-27

Updated: 2026-04-27

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00892