CVE-2026-122992

In G4KLX DStarGateway and F4FXL DStarGateway before 7b75de6, dstarCallsignToAPRS in APRSUtils.cpp has an integer underflow via an empty RS-MS1A sender field.

9.2 CRITICALEPSS 0.31%Not in KEVNVD: Received

Last updated: 2026-11-05 03:17 UTC

OverviewCVSS details

9.2CRITICALCVSS 4.0

Score source: mitre (CNA)
NVD status: Received
Published: Nov 5, 2026
Assigner: mitre

Affected

DStarGateway (G4KLX)

Versions: bd3b8650c41d3537c2af1d2d32dcb5b9f2a1a754 before 7b75de605dca542a2953dd74c16f0eac96a8944e
Fixed in: 7b75de605dca542a2953dd74c16f0eac96a8944e

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —

EPSS · FIRST, scored Nov 7

0.31%chance of exploitation in 30 days

Higher than 24.93% of CVEs

CVSS 4.0 · mitre (CNA)

9.2Critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Attack vector: Network
Attack complexity: Low
Attack requirements: None
Privileges required: None
User interaction: None
Confidentiality impact: None
Integrity impact: None
Availability impact: High
Confidentiality (other systems): None
Integrity (other systems): None
Availability (other systems): High

NVD status: Received

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
9.2	CRITICAL	4.0mitre (CNA)	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Details

CVE ID: CVE-2026-122992
Status: Received
Assigner (CNA): mitre
Published: Nov 5, 2026
Last modified: 2026-11-05 03:17 UTC
Weaknesses: CWE-191 · Integer Underflow (Wrap or Wraparound)

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 09:11 UTC.