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Ax1803 Firmware CVE-2026-1329

HIGH
Buffer Overflow (CWE-119)
2026-01-22 cna@vuldb.com
Buffer Overflow Stack Overflow Ax1803 Firmware
8.8
CVSS 3.1 · NVD
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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

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
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. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to Tenda AX1803 web interface
Delivery
Send crafted POST request to /goform/WifiGuestSet
Exploit
Inject oversized payload in guestWrlPwd/guestSsid parameter
Execution
Trigger stack buffer overflow
Impact
Execute arbitrary code with device privileges
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Vulnerability AssessmentAI

Exploitation Tenda AX1803 firmware version 1.0.0.1 with web management interface accessible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A remote attacker could exploit this vulnerability to stack-based buffer overflow.
Remediation Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 7 days: Identify all affected systems and apply vendor patches promptly. …

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CVE-2026-1329 vulnerability details – vuln.today
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