CVE-2026-9515

A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. The manipulation of the argument plugin_version results in os command injection. The attack may be launched remotely. The exploit is now public and may be used.

CVSS v4.0

2.1 LOWCVSS: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/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

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

10.81% chance of exploitation in the next 30 days, 96th percentile

Published

2026-05-25

Updated

2026-05-26

Proof-of-concept exploits (1)

• wudipjq/my_vuln/blob/main/totolink4/vuln_53/53.md

References

• CVE Record
• NVD entry

Related

• CVE-2026-9514
• CVE-2026-9517
• CVE-2026-9513
• CVE-2026-9518
• CVE-2026-9512
• CVE-2026-9519