CVE-2026-2192
Analyzed Analyzed - Analysis Complete
Stack-Based Buffer Overflow in Tenda AC9 formGetRebootTimer

Publication date: 2026-02-08

Last updated on: 2026-02-10

Assigner: VulDB

Description
A security vulnerability has been detected in Tenda AC9 15.03.06.42_multi. Affected by this vulnerability is the function formGetRebootTimer. Such manipulation of the argument sys.schedulereboot.start_time/sys.schedulereboot.end_time leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
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Meta Information
Published
2026-02-08
Last Modified
2026-02-10
Generated
2026-06-16
AI Q&A
2026-02-09
EPSS Evaluated
2026-06-14
NVD
CVE-2026-2192
EUVD
EUVD-2026-6457
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tenda ac9_firmware 5.03.06.42_multi
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
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).
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Executive Summary

This vulnerability exists in the Tenda AC9 router firmware version 15.03.06.42_multi, specifically in the function formGetRebootTimer.

It involves manipulation of the arguments sys.schedulereboot.start_time and sys.schedulereboot.end_time, which leads to a stack-based buffer overflow.

This type of vulnerability allows an attacker to potentially execute arbitrary code or cause a denial of service by overflowing the buffer on the stack.

The attack can be launched remotely, and the exploit has been publicly disclosed.

Impact Analysis

Exploitation of this vulnerability can lead to serious impacts including unauthorized code execution, denial of service, and full compromise of the affected device.

Since the vulnerability allows remote attacks, an attacker could potentially take control of the router, disrupt network connectivity, or use the device as a foothold for further attacks.

The CVSS scores indicate high severity with impacts on confidentiality, integrity, and availability.

Compliance Impact

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Detection Guidance

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