Tenda
Not on CISA's list of exploited flaws, and not in the news we track.
CVE-2026-129258High8.5
Reading the vendor advisory
Black Shard's team can check your exposure to CVE-2026-129258 and take the fix off your plate.
A vulnerability was identified in Tenda AC18 15.03.05.05_multi/15.03.05.19 Build 6318. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/upgrade of the component Firmware Upgrade Handler. Such manipulation of the argument upgradeFile leads to insufficient verification of data authenticity. The attack may be launched remotely. The exploit is publicly available and might be used.
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Severity
8.5of 10, high
Updated 14 Nov 2026, 17:46 UTC, 33 of 36 sources answering.
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