CVE-2026-19792: Buffer Overflow in Tenda G0
A security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
AI Analysis
Technical Summary
This vulnerability affects the Tenda G0 device up to version 20260625. It involves a buffer overflow in the setPortMapping function of the /goform/module file in the HTTP web management interface. The vulnerability is triggered by manipulating the portMappingServer, portMappingInternal, or portMappingExternal arguments. The attack can be performed remotely without user interaction or elevated privileges. Public exploit code is available, but no vendor-provided fix or mitigation details have been published as of now.
Potential Impact
Successful exploitation of this buffer overflow could allow an attacker to execute arbitrary code remotely on the affected device. Given the high CVSS score (8.7) and the availability of public exploit code, this vulnerability poses a significant risk to affected Tenda G0 devices, potentially compromising device integrity and network security.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting access to the device's web management interface from untrusted networks to reduce exposure.
CVE-2026-19792: Buffer Overflow in Tenda G0
Description
A security flaw has been discovered in Tenda G0 up to 20260625. Impacted is the function setPortMapping of the file /goform/module of the component httpd web management interface. Performing a manipulation of the argument portMappingServer/porMappingtInternal/portMappingExternal results in buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.
CVSS v4.0
Score 8.7high
Affected software
Tenda
G0
cpe:2.3:h:tenda:g0:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects the Tenda G0 device up to version 20260625. It involves a buffer overflow in the setPortMapping function of the /goform/module file in the HTTP web management interface. The vulnerability is triggered by manipulating the portMappingServer, portMappingInternal, or portMappingExternal arguments. The attack can be performed remotely without user interaction or elevated privileges. Public exploit code is available, but no vendor-provided fix or mitigation details have been published as of now.
Potential Impact
Successful exploitation of this buffer overflow could allow an attacker to execute arbitrary code remotely on the affected device. Given the high CVSS score (8.7) and the availability of public exploit code, this vulnerability poses a significant risk to affected Tenda G0 devices, potentially compromising device integrity and network security.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting access to the device's web management interface from untrusted networks to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-13T18:55:28.591Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a7e9910bf8831d53967c202
Added to database: 08/14/2026, 04:26:56 UTC
Last enriched: 08/14/2026, 04:41:05 UTC
Last updated: 09/27/2026, 13:47:43 UTC
Views: 76
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.