CVE-2026-9532

A security vulnerability has been detected in Totolink CA750-PoE 6.2c.510. The affected element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument FileName leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly 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

2026-05-26

Proof-of-concept exploits (1)

• wudipjq/my_vuln/blob/main/totolink4/vuln_55/55.md

References

• CVE Record
• NVD entry

Related

• CVE-2026-9531
• CVE-2026-9533
• CVE-2026-9530
• CVE-2026-9534
• CVE-2026-9529
• CVE-2026-9540