VDB-367300 · Submit #814767 · CVE-2026-10123

TRENDnet TEW-432BRP 3.10B20 formSetDomainFilter stack-based overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in TRENDnet TEW-432BRP 3.10B20. Affected is the function formSetDomainFilter of the file /goform/formSetDomainFilter. Executing a manipulation of the argument blocked_domain/permitted_domain/blocked_domain_list/permitted_domain_list can lead to stack-based overflow. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is registered as CVE-2026-10123. It is possible to launch the attack remotely. Furthermore, an exploit is available. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities."

Detailsinfo

A vulnerability classified as critical was found in TRENDnet TEW-432BRP 3.10B20. This vulnerability affects the function formSetDomainFilter of the file /goform/formSetDomainFilter. The manipulation of the argument blocked_domain/permitted_domain/blocked_domain_list/permitted_domain_list 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 for download at github.com. This vulnerability was named CVE-2026-10123. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor explains: "This product has been EOL for 15 years (since 2009). As the item has been EOL for such a long time, we are not able to replicate or fix any vulnerabilities."

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-2026-33465). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

TRENDnet

Name

TEW-432BRP

Version

3.10B20

License

commercial

Support

end of life

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/29/2026 Advisory disclosed
05/29/2026 +0 days VulDB entry created
05/31/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-10123 (🔒)
GCVE (CVE): GCVE-0-2026-10123
GCVE (VulDB): GCVE-100-367300
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/29/2026 19:24
Updated: 05/31/2026 01:45
Changes: 05/29/2026 19:24 (58), 05/31/2026 01:45 (1)
Complete: 🔍
Submitter: pjqwudi_Buoy
Cache ID: 216::103

Submitinfo

Accepted

Submit #814767: TRENDnet TEW-432BRP 3.10B20 Stack-based Buffer Overflow (by pjqwudi_Buoy)