CVE-2026-5850

A vulnerability was identified in Totolink A7100RU 7.4cu.2313_b20191024. This affects the function setVpnPassCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument pptpPassThru leads to os command injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

CVSS v4.0

8.9 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

10.0 HIGHAV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS

15.95% chance of exploitation in the next 30 days, 97th percentile

Published

2026-04-09

Updated

2026-04-13

Proof-of-concept exploits (1)

• Litengzheng/vuldb_new/blob/main/A7100RU/vul_156/README.md

References

• CVE Record
• NVD entry

Related

• CVE-2026-5849
• CVE-2026-58507
• CVE-2026-58480
• CVE-2026-5851
• CVE-2026-5848
• CVE-2026-58510