CVE-2026-5690

Totolink A7100RU cstecgi.cgi setRemoteCfg os command injection

CVSS 6.9 MEDIUMEPSS 1.5%CWE-77 CWE-78

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 6.9EPSS 1.5%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

06 Apr 2026Published on NVD

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

A flaw has been found in Totolink A7100RU 7.4cu.2313_b20191024. The impacted element is the function setRemoteCfg of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used.

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

Affected products

Totolink · A7100RU

public PoCs found — 1

cve_referencegithub.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_188/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_new/blob/main/A7100RU/vul_188/README.md https://vuldb.com/submit/792947 https://vuldb.com/vuln/355517 https://vuldb.com/vuln/355517/cti https://www.totolink.net/