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CVE-2026-7124

Totolink A8000RU CGI cstecgi.cgi setIpv6LanCfg os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77CWE-78
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.
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/E:P
Affected products
Totolink · A8000RU
public PoCs found — 1
cve_referencegithub.com/Litengzheng/vuldb_new2/tree/main/A8000RU/vul_309/README.mdunverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
https://github.com/Litengzheng/vuldb_new2/tree/main/A8000RU/vul_309/README.mdhttps://vuldb.com/submit/801005https://vuldb.com/vuln/359723https://vuldb.com/vuln/359723/ctihttps://www.totolink.net/