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CVE-2026-1623mediumobserved exploitationCWE-74CWE-77

Totolink A7000R cstecgi.cgi setUpgradeFW command injection

35Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Attendcvss 5.3epss 2.3%
from disclosure to weapon
Published on NVDJan 29
VulnCheck+182d
exploitation probability
2.3%top 18% of all CVEs
observed exploitation
yesVulnCheck
A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
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
Affected products
Totolink · A7000R
References
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.mdhttps://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md#pochttps://vuldb.com/?ctiid.343382https://vuldb.com/?id.343382https://vuldb.com/?submit.740767https://www.totolink.net/