A vulnerability marked as critical has been reported in Tenda AC15 15.03.05.19 . This affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler . The manipulation of the argument funcpara1 leads to stack-based buffer overflow. This vulnerability is documented as CVE-2026-4975 . The attack can be initiated remotely. Additionally, an exploit exists.
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✦ AI Summary· Claude Sonnet
VDB-353862 · CVE-2026-4975 · GCVE-100-353862
TENDA AC15 15.03.05.19 POST REQUEST /GOFORM/SETCFM FORMSETCFM FUNCPARA1 STACK-BASED OVERFLOW
HISTORYDIFFRELATEJSONXMLCTI
CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score
8.0 $0-$5k 1.92+
Summaryinfo
A vulnerability described as critical has been identified in Tenda AC15 15.03.05.19. This vulnerability affects the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. The manipulation of the argument funcpara1 results in stack-based overflow. This vulnerability is reported as CVE-2026-4975. The attack can be launched remotely. Moreover, an exploit is present.
Detailsinfo
A vulnerability classified as critical has been found in Tenda AC15 15.03.05.19. Affected is the function formSetCfm of the file /goform/setcfm of the component POST Request Handler. The manipulation of the argument funcpara1 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 available at lavender-bicycle-a5a.notion.site. This vulnerability is traded as CVE-2026-4975. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a public exploit are known.
The exploit is shared for download 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.
Productinfo
Type
Router Operating System
Vendor
Tenda
Name
AC15
Version
15.03.05.19
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: 8.8
VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.8
VulDB Temp Score: 8.0
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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Today Unlock Unlock Unlock Unlock
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
03/27/2026 +0 days VulDB entry last update
Sourcesinfo
Vendor: tenda.com.cn
Advisory: lavender-bicycle-a5a.notion.site
Status: Not defined
CVE: CVE-2026-4975 (🔒)
GCVE (CVE): GCVE-0-2026-4975
GCVE (VulDB): GCVE-100-353862
scip Labs: https://www.scip.ch/en/?labs.20161013
Entryinfo
Created: 03/27/2026 10:03
Changes: 03/27/2026 10:03 (58)
Complete: 🔍
Submitter: wxhwxhwxh_mie
Cache ID: 99:046:101
Submitinfo
Accepted
Submit #778261: Tenda AC15 AC15 V1.0 V15.03.05.19_multi Buffer Overflow (by wxhwxhwxh_mie)
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