What is the CVSS score of CVE-2026-1329?

CVE-2026-1329 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Ax1803 Firmware are affected by CVE-2026-1329?

Organizations using A flaw face significant risk from CVE-2026-1329, a buffer overflow vulnerability rated CVSS 8.8.

Is there a public PoC exploit available for CVE-2026-1329?

Yes, a public proof-of-concept exploit is available for CVE-2026-1329. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-1329?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

Ax1803 Firmware CVE-2026-1329

HIGH

Buffer Overflow (CWE-119)

2026-01-22 cna@vuldb.com

Buffer Overflow Stack Overflow Tenda Ax1803 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 03, 2026 - 13:59 vuln.today

Public exploit code

CVE Published

Jan 22, 2026 - 15:16 nvd

HIGH 8.8

DescriptionCVE.org

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.

AnalysisAI

Stack-based buffer overflow in Tenda AX1803 firmware version 1.0.0.1 allows unauthenticated remote attackers to execute arbitrary code by manipulating guest network parameters in the /goform/WifiGuestSet function. Public exploit code exists for this vulnerability, and no patch is currently available. This affects devices running the vulnerable firmware with network-accessible management interfaces.

Technical ContextAI

Classified as CWE-119 (Buffer Overflow). Affects 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.

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.