CVE-2026-105778: critical vulnerability in Tenda AC5
Tenda AC5 Wifi setWifi stack-based overflow
Published
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.4epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd 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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Affected products
Tenda · AC5public PoCs found — 1
cve_referencegithub.com/raisecnull/Tenda-AC5v3-BOF/blob/main/blog.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Tenda AC5
In the same product, most dangerous first.
CVE-2026-4906HIGHTenda AC5 POST Request WizardHandle decodePwd stack-based overflowEPSS 1.0%CVE-2026-4905HIGHTenda AC5 POST Request WifiWpsOOB formWifiWpsOOB stack-based overflowEPSS 1.0%CVE-2026-4904HIGHTenda AC5 POST Request setcfm formSetCfm stack-based overflowEPSS 1.0%CVE-2026-4903HIGHTenda AC5 POST Request QuickIndex formQuickIndex memory corruptionEPSS 1.0%CVE-2026-4902HIGHTenda AC5 POST Request addressNat fromAddressNat memory corruptionEPSS 1.0%CVE-2025-6887HIGHTenda AC5 SetSysTimeCfg stack-based overflowEPSS 1.0%