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CVE-2026-9386

Totolink A8000RU Web Management cstecgi.cgi setLanguageCfg os command injection

CVSS 9.3 CRITICALEPSS 1.7%CWE-77CWE-78
A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. Impacted is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument lang leads to os command injection. The attack may be performed from remote. The exploit is publicly available and might be used.
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/blob/main/A8000RU/vul_333/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/blob/main/A8000RU/vul_333/README.mdhttps://vuldb.com/submit/813432https://vuldb.com/vuln/365349https://vuldb.com/vuln/365349/ctihttps://www.totolink.net/