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CVE-2026-7823

Totolink A8000RU cstecgi.cgi setAppFilterCfg os command injection

CVSS 9.3 CRITICALEPSS 1.8%CWE-77CWE-78
A security flaw has been discovered in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setAppFilterCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument enable results in os command injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
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_330/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_330/README.mdhttps://vuldb.com/submit/807775https://vuldb.com/vuln/361075https://vuldb.com/vuln/361075/ctihttps://www.totolink.net/