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Vulnerability record · CVE-2026-1329 · published 22 January 2026

CVE-2026-1329: Tenda ax1803 firmware memory buffer overflow vulnerability

Tenda · Ax1803 Firmware

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.

7.4 CVSS 4.0 High EPSS 1.2% · top 32.6% CWE-119 · Memory buffer overflowCWE-121 · Stack-based buffer overflow
7.4CVSS 4.0 base score, v2 9.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 1 tagged exploit
17 Jun 2026Last modified by NVD

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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://river-brow-763.notion.site/Tenda-AX1803-Buffer-Overflow-in-fromGetWifiGusetBasic-2e3a595a7aef80a78225db34317daa4 ExploitThird Party Advisory
https://vuldb.com/?ctiid.342305 Permissions RequiredVDB Entry
https://vuldb.com/?id.342305 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.736063 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.736064 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.736065 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.736066 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.736067 Third Party AdvisoryVDB Entry
https://www.tenda.com.cn/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-30620Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the serviceName parameter in the function fromAdvSetMacMtuWan.EPSS 0.82%9.8CVE-2024-30621Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the serverName parameter in the function fromAdvSetMacMtuWan.EPSS 0.74%9.8CVE-2023-51962Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function setIptvInfo.EPSS 0.73%9.8CVE-2023-51967Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.port parameter in the function getIptvInfo.EPSS 0.73%9.8CVE-2023-51968Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the adv.iptv.stballvlans parameter in the function getIptvInfo.EPSS 0.73%9.8CVE-2023-51969Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function getIptvInfo.EPSS 0.73%9.8CVE-2023-51970Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv.EPSS 0.73%9.8CVE-2023-51953Tenda ax1803 firmware out-of-bounds write vulnerabilityTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.stb.mode parameter in the function formSetIptv.EPSS 0.70%

Source: NIST National Vulnerability Database (record CVE-2026-1329), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.