CVE-2026-9511

A vulnerability was identified in Totolink CA750-PoE 6.2c.510. This affects the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Such manipulation of the argument webWlanIdx leads to os command injection. It is possible to launch the attack remotely. The exploit is publicly available and might 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

1.06% chance of exploitation in the next 30 days, 62th percentile

Published

2026-05-25

Updated

2026-05-28

Proof-of-concept exploits (1)

• wudipjq/my_vuln/blob/main/totolink4/vuln_49/49.md

References

• CVE Record
• NVD entry

Related

• CVE-2026-9506
• CVE-2026-9512
• CVE-2026-9504
• CVE-2026-9513
• CVE-2026-9503
• CVE-2026-9514