Tenda AC23 up to 16.03.07.52 HTTP POST Request /goform/SetPptpServerCfg sscanf startIp buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.14

Summaryinfo

A vulnerability marked as critical has been reported in Tenda AC23 up to 16.03.07.52. Affected by this issue is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Performing a manipulation of the argument startIp results in buffer overflow. This vulnerability is identified as CVE-2025-10803. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Tenda AC23 up to 16.03.07.52. This affects the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. The manipulation of the argument startIp with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2025-10803. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known.

The exploit is shared for download 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 🔍

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: Buffer overflow
CWE: CWE-120 / 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

09/21/2025 Advisory disclosed
09/21/2025 +0 days VulDB entry created
09/25/2025 +4 days VulDB entry last update

Sourcesinfo

Vendor: tenda.com.cn

Advisory: github.com
Status: Not defined

CVE: CVE-2025-10803 (🔒)
GCVE (CVE): GCVE-0-2025-10803
GCVE (VulDB): GCVE-100-325161
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/21/2025 11:45
Updated: 09/25/2025 08:46
Changes: 09/21/2025 11:45 (58), 09/25/2025 08:46 (31)
Complete: 🔍
Submitter: QMSSDXN
Cache ID: 216:5B0:103

Submitinfo

Accepted

  • Submit #654237: Tenda AC23 <= V16.03.07.52 Buffer Overflow (by QMSSDXN)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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