VDB-352325 · Submit #774447 · CVE-2026-4537

Cudy TR1200 R46-2.4.15-20250721-164017 ipsec.lua action_ipsec_conn command injection

Summaryinfo

A vulnerability, which was classified as critical, has been found in Cudy TR1200 R46-2.4.15-20250721-164017. The affected element is the function action_ipsec_conn of the file /usr/bin/lib/lua/luci/controller/ipsec.lua. The manipulation leads to command injection. This vulnerability is referenced as CVE-2026-4537. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Cudy TR1200 R46-2.4.15-20250721-164017. This issue affects the function action_ipsec_conn of the file /usr/bin/lib/lua/luci/controller/ipsec.lua. The manipulation with an unknown input leads to a command injection vulnerability. Using CWE to declare the problem leads to CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-4537. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

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-2026-14277). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Cudy

Name

TR1200

Version

R46-2.4.15-20250721-164017

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.7
VulDB Temp Score: 4.3
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: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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

03/21/2026 Advisory disclosed
03/21/2026 +0 days VulDB entry created
03/22/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-4537 (🔒)
GCVE (CVE): GCVE-0-2026-4537
GCVE (VulDB): GCVE-100-352325
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/21/2026 09:13
Updated: 03/22/2026 10:13
Changes: 03/21/2026 09:13 (56), 03/22/2026 10:13 (1)
Complete: 🔍
Submitter: b55t4ck
Cache ID: 216::103

Submitinfo

Accepted

Submit #774447: cudy AC1200 Wi-Fi Mini VPN Router TR1200 1.0 TR1200-R46-2.4.15-20250721-164017-flash.zip Command Injection (by b55t4ck)

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