Tenda A18 15.13.07.13 /goform/setBlackRule parse_macfilter_rule deviceList stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.66

Summaryinfo

A vulnerability described as critical has been identified in Tenda A18 15.13.07.13. This impacts the function parse_macfilter_rule of the file /goform/setBlackRule. Such manipulation of the argument deviceList leads to stack-based overflow. This vulnerability is traded as CVE-2026-2876. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Tenda A18 15.13.07.13. Affected by this issue is the function parse_macfilter_rule of the file /goform/setBlackRule. The manipulation of the argument deviceList 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 available at github.com. This vulnerability is handled as CVE-2026-2876. 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.4

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

CNA Base Score: 8.8
CNA Vector: 🔒

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: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

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

02/20/2026 Advisory disclosed
02/20/2026 +0 days VulDB entry created
02/22/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2026-2876 (🔒)
GCVE (CVE): GCVE-0-2026-2876
GCVE (VulDB): GCVE-100-347114
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/20/2026 17:10
Updated: 02/22/2026 23:20
Changes: 02/20/2026 17:10 (57), 02/22/2026 23:20 (31)
Complete: 🔍
Submitter: junqi
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #754675: Tenda A18 V15.13.07.13 Stack-based Buffer Overflow (by junqi)

Duplicate

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