A vulnerability identified as critical has been detected in Tenda A15 15.13.07.13 . The impacted element is the function UploadCfg of the file /cgi-bin/UploadCfg . The manipulation of the argument File leads to stack-based buffer overflow. This vulnerability is listed as CVE-2026-4567 . The attack may be initiated remotely. In addition, an exploit is available.
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✦ AI Summary· Claude Sonnet
VDB-352404 · CVE-2026-4567 · GCVE-100-352404
TENDA A15 15.13.07.13 /CGI-BIN/UPLOADCFG FILE STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.9 $0-$5k 3.72+
Summaryinfo
A vulnerability labeled as critical has been found in Tenda A15 15.13.07.13. This affects the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument File results in stack-based overflow. This vulnerability is cataloged as CVE-2026-4567. The attack may be launched remotely. Furthermore, there is an exploit available.
Detailsinfo
A vulnerability classified as critical has been found in Tenda A15 15.13.07.13. Affected is the function UploadCfg of the file /cgi-bin/UploadCfg. The manipulation of the argument file with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-4567. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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.
Productinfo
Type
Router Operating System
Vendor
Tenda
Name
A15
Version
15.13.07.13
License
commercial
Website
Vendor: https://www.tenda.com.cn/
CPE 2.3info
🔒
CPE 2.2info
🔒
CVSSv4info
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv3info
VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.9
VulDB Base Score: 9.8
VulDB Temp Score: 8.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2info
Vector Complexity Authentication Confidentiality Integrity Availability
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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
03/22/2026 Advisory disclosed
03/22/2026 +0 days VulDB entry created
03/22/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: tenda.com.cn
Advisory: github.com
Status: Not defined
CVE: CVE-2026-4567 (🔒)
GCVE (CVE): GCVE-0-2026-4567
GCVE (VulDB): GCVE-100-352404
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 03/22/2026 09:39
Changes: 03/22/2026 09:39 (57)
Complete: 🔍
Submitter: 942384053
Cache ID: 99:30C:101
Submitinfo
Accepted
Submit #775156: Tenda A15 V15.13.07.13 Stack-based Buffer Overflow (by 942384053)
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