Vulnerability · Published Nov 5, 2026 · Assigned by mitre
CVE-2026-122992
Critical 9.2
In plain English
A critical-severity security flaw in DStarGateway from G4KLX. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.3%top 75.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In G4KLX DStarGateway and F4FXL DStarGateway before 7b75de6, dstarCallsignToAPRS in APRSUtils.cpp has an integer underflow via an empty RS-MS1A sender field.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| G4KLX | DStarGateway | bd3b8650c41d3537c2af1d2d32dcb5b9f2a1a754 – before 7b75de605dca542a2953dd74c16f0eac96a8944e |
Weakness: CWE-191 · Vector: 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