Tenda AC5 15.03.06.47 POST Request /goform/addressNat fromAddressNat page stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.79

Summaryinfo

A vulnerability classified as critical has been found in Tenda AC5 15.03.06.47. This vulnerability affects the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. This manipulation of the argument page causes stack-based overflow. This vulnerability appears as CVE-2026-4902. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in Tenda AC5 15.03.06.47. It has been declared as critical. Affected by this vulnerability is the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared at lavender-bicycle-a5a.notion.site. This vulnerability is known as CVE-2026-4902. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at lavender-bicycle-a5a.notion.site. 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-2026-16470). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

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Version

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Website

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: 🔒

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

03/26/2026 Advisory disclosed
03/26/2026 +0 days VulDB entry created
03/27/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined

CVE: CVE-2026-4902 (🔒)
GCVE (CVE): GCVE-0-2026-4902
GCVE (VulDB): GCVE-100-353653
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/26/2026 17:03
Updated: 03/27/2026 02:43
Changes: 03/26/2026 17:03 (58), 03/27/2026 02:43 (1)
Complete: 🔍
Submitter: wxhwxhwxh_mie
Cache ID: 216:0B5:103

Submitinfo

Accepted

  • Submit #777378: Tenda AC5 AC5 V1.0 V15.03.06.47 Buffer Overflow (by wxhwxhwxh_mie)

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