TP-Link AC1350/N300 Radio Scheduling httpd band stack-based overflow

Summaryinfo

A vulnerability was found in TP-Link AC1350 and N300. It has been classified as critical. The affected element is an unknown function of the file httpd of the component Radio Scheduling. The manipulation of the argument band leads to stack-based overflow. This vulnerability is traded as CVE-2023-49911. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in TP-Link AC1350 and N300 (unknown version). This issue affects an unknown code block of the file httpd of the component Radio Scheduling. The manipulation of the argument band with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A stack-based buffer overflow vulnerability exists in the web interface Radio Scheduling functionality of Tp-Link AC1350 Wireless MU-MIMO Gigabit Access Point (EAP225 V3) v5.1.0 Build 20220926. A specially crafted series of HTTP requests can lead to remote code execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.This vulnerability refers specifically to the overflow that occurs via the `band` parameter at offset `0x422420` of the `httpd` binary shipped with v5.0.4 Build 20220216 of the EAP115.

It is possible to read the advisory at talosintelligence.com. The identification of this vulnerability is CVE-2023-49911 since 12/01/2023. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/21/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• Router Operating System

Vendor

• TP-Link

Name

• AC1350
• N300

License

• commercial

Website

• Vendor: https://www.tp-link.com/

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