A vulnerability, which was classified as critical, was found in Tenda AC15 15.03.05.18/15.03.20_multi. Affected is the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257664. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
| Link | Tags |
|---|---|
| https://vuldb.com/?id.257664 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.257664 | signature permissions required |
| https://github.com/abcdefg-png/IoT-vulnerable/blob/main/Tenda/AC15/V1.0%20V15.03.20_multi/formSetFirewallCfg.md | third party advisory exploit |