Tenda AC7 15.03.06.44 POST Request /goform/SetSysTimeCfg fromSetSysTime stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Tenda AC7 15.03.06.44. This affects the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. The manipulation of the argument Time leads to stack-based overflow. This vulnerability is documented as CVE-2026-4974. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Tenda AC7 15.03.06.44. It has been rated as critical. This issue affects the function fromSetSysTime of the file /goform/SetSysTimeCfg of the component POST Request Handler. The manipulation of the argument time 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 at lavender-bicycle-a5a.notion.site. The identification of this vulnerability is CVE-2026-4974. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known.

The exploit is available 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-2026-16809). If you want to get the best quality for vulnerability data then you always have to consider 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: 🔒

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

03/27/2026 Advisory disclosed
03/27/2026 +0 days VulDB entry created
03/28/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

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

CVE: CVE-2026-4974 (🔒)
GCVE (CVE): GCVE-0-2026-4974
GCVE (VulDB): GCVE-100-353861
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/27/2026 10:01
Updated: 03/28/2026 00:18
Changes: 03/27/2026 10:01 (58), 03/28/2026 00:18 (1)
Complete: 🔍
Submitter: wxhwxhwxh_mie
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #778207: Tenda AC7 AC7V1.0 V15.03.06.44 Buffer Overflow (by wxhwxhwxh_mie)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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