by Kastro
Paper/Archive/CVE-2026-7240

CVE-2026-7240

Totolink A8000RU — Totolink A8000RU CGI cstecgi.cgi setVpnAccountCfg os command injection

EPSS 2%public exploitCVSS 9.8
critical.is priorityof 100
56
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 84.2.842 × 2016.8Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

A vulnerability has been found in Totolink A8000RU 7.1cu.643_b20200521. This vulnerability affects the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument User leads to os command injection. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

Affected

ProductAffectedFixed inSource
A8000RU7.1cu.643_b20200521–CNA

Scores by source

VulDB (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
VulDB (CNA)9.3CVSS: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
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

writeupvuldb.com/vuln/359847refvuldb.com/vuln/359847/ctiwriteupvuldb.com/submit/802845exploitgithub.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_324/README.mdreftotolink.net