Delta Electronics COMMGR2 up to 2.11.0 stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Delta Electronics COMMGR2 up to 2.11.0. This impacts an unknown function. The manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2026-3630. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Delta Electronics COMMGR2 up to 2.11.0. This issue affects an unknown code. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to 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). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Delta Electronics COMMGR2 has Stack-based Buffer Overflow vulnerability.

It is possible to read the advisory at filecenter.deltaww.com. The identification of this vulnerability is CVE-2026-3630 since 03/06/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/01/2026).

The vulnerability scanner Nessus provides a plugin with the ID 304404 (Delta Electronics COMMGR Stack-based Buffer Overflow (CVE-2026-3630)), which helps to determine the existence of the flaw in a target environment.

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 databases at CNNVD (CNNVD-202603-1562), Tenable (304404) and EUVD (EUVD-2026-10286). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.8

VulDB Base Score: 9.8
VulDB Temp Score: 9.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (Deltaww): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 304404
Nessus Name: Delta Electronics COMMGR Stack-based Buffer Overflow (CVE-2026-3630)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/06/2026 CVE reserved
03/09/2026 +3 days Advisory disclosed
03/09/2026 +0 days VulDB entry created
04/01/2026 +22 days VulDB entry last update

Sourcesinfo

Advisory: PCSA-2026-00005
Status: Confirmed

CVE: CVE-2026-3630 (🔒)
GCVE (CVE): GCVE-0-2026-3630
GCVE (VulDB): GCVE-100-349787
EUVD: 🔒
CNNVD: CNNVD-202603-1562 - Delta Electronics COMMGR2 安全漏洞

Entryinfo

Created: 03/09/2026 07:51
Updated: 04/01/2026 01:04
Changes: 03/09/2026 07:51 (62), 03/09/2026 11:59 (1), 03/11/2026 00:50 (6), 03/15/2026 18:17 (1), 04/01/2026 01:04 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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