CVE-2026-13518: Stack-based Buffer Overflow in Tenda JD12L
CVE-2026-13518 is a stack-based buffer overflow vulnerability in the Tenda JD12L router firmware version 16.03.53.23. The flaw exists in the fromAddressNat function within the /goform/addressNat endpoint, where improper handling of the 'page' argument can lead to memory corruption. This vulnerability is remotely exploitable without user interaction and has a high severity rating. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
The Tenda JD12L router firmware version 16.03.53.23 contains a stack-based buffer overflow vulnerability in the fromAddressNat function of the /goform/addressNat file. This occurs due to improper validation or handling of the 'page' argument, allowing an attacker to overwrite stack memory. The vulnerability is remotely exploitable without requiring user interaction and has a CVSS 4.0 base score of 8.7, indicating high severity. Although the exploit has been publicly disclosed, no vendor patch or official remediation has been announced as of the publication date.
Potential Impact
Successful exploitation of this vulnerability can lead to memory corruption on the affected device, potentially allowing an attacker to execute arbitrary code remotely with limited privileges. This could result in compromise of the device's integrity and availability. The vulnerability does not require user interaction and can be triggered over the network, increasing the risk of remote attacks.
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 network access to the affected device's management interface to trusted hosts only and monitor for unusual activity. No official patch or temporary fix has been provided by the vendor at this time.
CVE-2026-13518: Stack-based Buffer Overflow in Tenda JD12L
Description
CVE-2026-13518 is a stack-based buffer overflow vulnerability in the Tenda JD12L router firmware version 16.03.53.23. The flaw exists in the fromAddressNat function within the /goform/addressNat endpoint, where improper handling of the 'page' argument can lead to memory corruption. This vulnerability is remotely exploitable without user interaction and has a high severity rating. No official patch or remediation guidance has been provided yet.
CVSS v4.0
Score 8.7high
Affected software
cpe:2.3:h:tenda:jd12l:*:*:*:*:*:*:*:*AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Tenda JD12L router firmware version 16.03.53.23 contains a stack-based buffer overflow vulnerability in the fromAddressNat function of the /goform/addressNat file. This occurs due to improper validation or handling of the 'page' argument, allowing an attacker to overwrite stack memory. The vulnerability is remotely exploitable without requiring user interaction and has a CVSS 4.0 base score of 8.7, indicating high severity. Although the exploit has been publicly disclosed, no vendor patch or official remediation has been announced as of the publication date.
Potential Impact
Successful exploitation of this vulnerability can lead to memory corruption on the affected device, potentially allowing an attacker to execute arbitrary code remotely with limited privileges. This could result in compromise of the device's integrity and availability. The vulnerability does not require user interaction and can be triggered over the network, increasing the risk of remote attacks.
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 network access to the affected device's management interface to trusted hosts only and monitor for unusual activity. No official patch or temporary fix has been provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-06-28T06:45:48.210Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a41ba9a27e9c79719d9e6c6
Added to database: 06/29/2026, 00:21:46 UTC
Last enriched: 06/29/2026, 00:36:20 UTC
Last updated: 06/29/2026, 03:36:54 UTC
Views: 32
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