CVE-2026-6989

Tenda F453 Telnet Service telnet TendaTelnet command injection

CVSS 5.3 MEDIUMEPSS 2.9%CWE-74 CWE-77

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 5.3EPSS 2.9%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

25 Apr 2026Published on NVD

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

A vulnerability has been found in Tenda F453 up to 1.0.0.3. Impacted is the function TendaTelnet of the file /goform/telnet of the component Telnet Service. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Affected products

Tenda · F453

public PoCs found — 1

cve_referencegithub.com/alc9700jmo/CVE/issues/24unverified

⚠ 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/alc9700jmo/CVE/issues/24 https://vuldb.com/submit/796560 https://vuldb.com/vuln/359541 https://vuldb.com/vuln/359541/cti https://www.tenda.com.cn/