High severity · published Jan 22, 2026
CVE-2026-1329
Tenda AX1803 WifiGuestSet fromGetWifiGuestBasic stack-based overflow
8.8
CVSS
1.2%
EPSS
No
On KEV
Description
A flaw has been found in Tenda AX1803 1.0.0.1. The affected element is the function fromGetWifiGuestBasic of the file /goform/WifiGuestSet. Executing a manipulation of the argument guestWrlPwd/guestEn/guestSsid/hideSsid/guestSecurity can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AX
AX1803 · Tenda
1.0.0.1 · source: vendor
AF
Ax1803 Firmware · Tenda
1.0.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1329
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1329
Exploit
https://river-brow-763.notion.site/Tenda-AX1803-Buffer-Overflow-in-fromGetWifiGusetBasic-2e3a595a7aef80a78225db34317daa40#2e3a595a7aef801ab517e4af5631227a
Permissions Required
https://vuldb.com/?ctiid.342305
Third Party Advisory
https://vuldb.com/?id.342305
Third Party Advisory
https://vuldb.com/?submit.736063
Third Party Advisory
https://vuldb.com/?submit.736064
Third Party Advisory
https://vuldb.com/?submit.736065
More from AX1803
9.8
CVE-2024-30621
Tenda AX1803 v1.0.0.1 contains a stack overflow via the serverName parameter in the function fromAdvSetMacMtuWan
9.8
CVE-2024-30620
Tenda AX1803 v1.0.0.1 contains a stack overflow via the serviceName parameter in the function fromAdvSetMacMtuWan
9.8
CVE-2023-51970
Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv
9.8
CVE-2023-51969
Tenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function getIptvInfo
9.8
CVE-2023-51968
Tenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo
