Tenda CH22 1.0.0.1 Parameter /goform/QuickIndex formQuickIndex mit_linktype stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k8.23-

Summaryinfo

A vulnerability, which was classified as critical, was found in Tenda CH22 1.0.0.1. Affected is the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. Such manipulation of the argument mit_linktype leads to stack-based overflow. This vulnerability is listed as CVE-2026-5156. The attack may be performed from remote. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function formQuickIndex of the file /goform/QuickIndex of the component Parameter Handler. The manipulation of the argument mit_linktype 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 advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-5156. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17252). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/30/2026 Advisory disclosed
03/30/2026 +0 days VulDB entry created
03/31/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-5156 (🔒)
GCVE (CVE): GCVE-0-2026-5156
GCVE (VulDB): GCVE-100-354188
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/30/2026 15:38
Updated: 03/31/2026 03:38
Changes: 03/30/2026 15:38 (58), 03/31/2026 03:38 (1)
Complete: 🔍
Submitter: LtzHust2
Cache ID: 216:58F:103

Submitinfo

Accepted

  • Submit #780208: Tenda CH22 V1.0.0.1 Stack-based Buffer Overflow (by LtzHust2)

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