CVE-2026-9406

Totolink A8000RU Web Management cstecgi.cgi setRemoteCfg os command injection

CVSS 9.3 CRITICALEPSS 1.7%CWE-77 CWE-78

Vexday Risk Score

48Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 9.3EPSS 1.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

24 May 2026Published on NVD

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

A weakness has been identified in Totolink A8000RU 7.1cu.643_b20200521. Affected is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been made available to the public and could 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_338/README.mdunverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_338/README.md https://vuldb.com/submit/813441 https://vuldb.com/vuln/365387 https://vuldb.com/vuln/365387/cti https://www.totolink.net/