CVE-2026-114268: Buffer Overflow in Tenda BE3L Pro
Description
CVE-2026-114268 is a critical buffer overflow vulnerability in the Tenda BE3L Pro router firmware version 16.03.60.62. The flaw exists in the formWifiBasicSet function within the /goform/WifiBasicSet file, where improper handling of the security_5g argument allows remote attackers to cause a buffer overflow. Exploit code has been published, increasing the risk of exploitation. No patch information is currently available.
CVSS v4.0
Score 9.4critical
Affected software
Tenda
BE3L Pro
cpe:2.3:h:tenda:be3l_pro:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability affects Tenda BE3L Pro version 16.03.60.62. The issue is a buffer overflow triggered by manipulation of the security_5g argument in the formWifiBasicSet function of the /goform/WifiBasicSet file. The vulnerability can be exploited remotely without user interaction and requires low attack complexity and privileges. The CVSS 4.0 score is 9.4 (critical), indicating high impact on confidentiality, integrity, and availability. Exploit code has been published, but there is no confirmed information on active exploitation in the wild. No vendor advisory or patch details are provided.
Potential Impact
Successful exploitation can lead to remote code execution or denial of service due to buffer overflow, compromising the device's confidentiality, integrity, and availability. The vulnerability requires low privileges and no user interaction, making it highly exploitable remotely.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a patch is available, restrict remote access to the device's management interfaces and monitor for suspicious activity related to the /goform/WifiBasicSet endpoint.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-10-21T06:51:52.604Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad90bf64d27ba8daae2e37e
Added to database: 10/21/2026, 19:01:10 UTC
Last enriched: 10/21/2026, 19:15:19 UTC
Last updated: 10/21/2026, 19:16:05 UTC
Views: 4
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