CVE-2026-9476

Totolink A8000RU Web Management cstecgi.cgi setPasswordCfg os command injection

CVSS 9.3 CRITICALEPSS 1.9%CWE-77 CWE-78

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.3EPSS 1.9%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

25 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument admpass leads to os command injection. The attack can be executed remotely. 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_348/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_348/README.md https://vuldb.com/submit/813459 https://vuldb.com/vuln/365457 https://vuldb.com/vuln/365457/cti https://www.totolink.net/