CVE-2026-9533

2.1 lowEPSS 10%

A vulnerability was detected in Totolink CA750-PoE 6.2c.510. The impacted element is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Performing a manipulation of the argument fwUrl/magicid results in os command injection. It is possible to initiate the attack remotely. The exploit is now public and may be used.

Severity

CVSS 4.0

2.1 low

CVSS: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

CVSS 3.1

6.3 medium

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

EPSS: 10% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWEs: CWE-77, CWE-78
Published: 2026-05-26
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

https://github.com/wudipjq/my_vuln/blob/main/totolink4/vuln_56/56.md
https://vuldb.com/submit/813937
https://vuldb.com/vuln/365560
https://vuldb.com/vuln/365560/cti
https://www.totolink.net/

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