CVE-2025-34458

HIGHNVD 8.78.7—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 67% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

wb2osz/direwolf (Dire Wolf) versions up to and including 1.8, prior to commit 3658a87, contain a reachable assertion vulnerability in the APRS MIC-E decoder function aprs_mic_e() located in src/decode_aprs.c. When processing a specially crafted AX.25 frame containing a MIC-E message with an empty or truncated comment field, the application triggers an unhandled assertion checking for a non-empty comment. This assertion failure causes immediate process termination, allowing a remote, unauthenticated attacker to cause a denial of service by sending malformed APRS traffic.

CVSS v3
8.7
EG Score
8.7(medium)
EG Risk
55(Track)
EG Risk 55/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity87% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

December 22, 2025

Last Modified

April 15, 2026

Advisory Details (4)

Auto-updated Aug 8, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit.
generic

wb2osz/direwolf <= 1.8.1 Reachable Assertion DoS | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wb2osz-direwolf-reachable-assertion-dos
generic

Crafted AX.25 frame can crash the process - Denial of Service (DoS) · Issue #618 · wb2osz/direwolf · GitHub

https://github.com/wb2osz/direwolf/issues/618
github_commit

commit 3658a87 (wb2osz/direwolf)

Fix landed in wb2osz/direwolf commit 3658a87 — awaiting tagged release

https://github.com/wb2osz/direwolf/commit/3658a87
generic

advisories/advisories/MCSAID-2025-010-direwolf-stack-buffer-overflow-kiss-frame.md at main · marlinkcyber/advisories · GitHub

https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-010-direwolf-stack-buffer-overflow-kiss-frame.md

Affected Packages

(1 across 1 ecosystem)
Debian:14(1)
PackageVulnerable rangeFixed inDependents
direwolf1.7+dfsg-2, 1.8.1+dfsg-1, 1.8.1+dfsg-2~bpo13+1, 1.8~beta1+dfsg-11.8.1+dfsg-2—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 179 total refreshes for this CVE.

  1. 2026-09-18 19:27 UTCEPSS rescore
  2. 2026-09-17 19:29 UTCEPSS rescore
  3. 2026-09-16 14:07 UTCEPSS rescore
  4. 2026-09-16 05:14 UTCEPSS rescore
  5. 2026-09-14 06:19 UTCOSV refresh
  6. 2026-09-13 16:46 UTCEPSS rescore
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  23. 2026-08-26 07:13 UTCOSV refresh
  24. 2026-08-25 13:48 UTCEPSS rescore
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  1. 2026-08-21 23:48 UTCEPSS rescore
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  3. 2026-08-19 17:03 UTCEPSS rescore
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  5. 2026-08-18 13:47 UTCEPSS rescore
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  10. 2026-08-13 21:59 UTCEPSS rescore
  11. 2026-08-12 13:50 UTCEPSS rescore
  12. 2026-08-09 23:02 UTCEG score recompute
  13. 2026-08-09 23:02 UTCGHSA enrichment
  14. 2026-08-09 13:46 UTCEPSS rescore
  15. 2026-08-08 16:36 UTCEPSS rescore
  16. 2026-08-08 05:39 UTCEG score recompute
  17. 2026-08-08 05:39 UTCGHSA enrichment
  18. 2026-08-07 16:26 UTCEPSS rescore
  19. 2026-08-06 13:46 UTCEPSS rescore
  20. 2026-08-06 07:30 UTCEG score recompute
  21. 2026-08-06 07:30 UTCGHSA enrichment
  22. 2026-08-04 15:09 UTCEPSS rescore
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  25. 2026-08-02 02:26 UTCEPSS rescore
  26. 2026-08-01 04:15 UTCEPSS rescore
  27. 2026-07-31 21:42 UTCOSV refresh
  28. 2026-07-30 16:27 UTCEPSS rescore
  29. 2026-07-30 01:29 UTCEPSS rescore
  30. 2026-07-28 15:35 UTCEPSS rescore
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  35. 2026-07-23 02:54 UTCEG score recompute
  36. 2026-07-22 14:07 UTCEPSS rescore
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  49. 2026-07-14 04:55 UTCOSV refresh
  50. 2026-07-13 22:29 UTCEPSS rescore
  51. 2026-07-13 22:29 UTCEPSS rescore
  52. 2026-07-13 06:12 UTCEPSS rescore
  53. 2026-07-12 05:46 UTCEPSS rescore
  54. 2026-07-11 08:27 UTCEPSS rescore
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  56. 2026-07-09 19:09 UTCEPSS rescore
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  74. 2026-06-27 03:08 UTCEPSS rescore
  75. 2026-06-27 03:08 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-34458?
CVE-2025-34458 is a high vulnerability published on December 22, 2025. wb2osz/direwolf (Dire Wolf) versions up to and including 1.8, prior to commit 3658a87, contain a reachable assertion vulnerability in the APRS MIC-E decoder function aprsmice() located in src/decode_aprs.c. When processing a specially crafted AX.25 frame containing a MIC-E message with an empty or…
When was CVE-2025-34458 disclosed?
CVE-2025-34458 was first published in the National Vulnerability Database on December 22, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-34458 actively exploited?
CVE-2025-34458 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 60.8% of all scored CVEs.
What is the CVSS score of CVE-2025-34458?
CVE-2025-34458 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2025-34458?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-34458, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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