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CVE-2025-5839

Tenda AC9 POST Request AdvSetLanip fromadvsetlanip buffer overflow

Published: Jun 7, 2025Updated: Jun 9, 2025 Sources: CVE List NVD BDUCWE-119
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.8%
Top 49.6%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

A vulnerability, which was classified as critical, has been found in Tenda AC9 15.03.02.13. Affected by this issue is the function fromadvsetlanip of the file /goform/AdvSetLanip of the component POST Request Handler. The manipulation of the argument lanMask leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-119CWE-120

Affected Products

ac9 firmwaretendaNetworking Infrastructure
Tenda AC9Shenzhen Tenda Technology Co., Ltd.
On-premNetwork Device
Networking Infrastructure / router-switch
AC9TendaNetworking Infrastructure
tendacommercialCNNetworking Infrastructure
shenzhen tenda technology co., ltd.commercialCNNetworking Infrastructureaka tenda

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://candle-throne-f75.notion.site/Tenda-AC9-fromadvsetlanip-20adf0aa11858027b7c3c2f4e44bb867
candle-throne-f75.notion.site
https://vuldb.com/?ctiid.311582
vuldb.com
https://vuldb.com/?id.311582
vuldb.com
and 3 more references View all →

Timeline

Published
Jun 7, 2025
Last Updated
Jun 9, 2025

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