CVE-2026-79377

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-08. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

A heap overflow in the a2dp_decoder_sbc.cpp component of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
32%
KEV
Not listed

Published

September 8, 2026

Last Modified

September 9, 2026

Advisory Details (2)

Auto-updated Sep 8, 2026
No patch confirmed yet.
generic
https://www.bestechnic.com/CVE-2026-79376.pdf
generic

best1307/apps/audioplayers/a2dp_decoder/a2dp_decoder_sbc.cpp at 296d587ad3766bbff96e7f466cf0775c170a2002 · Derek-Vencer/best1307 · GitHub

https://github.com/Derek-Vencer/best1307/blob/296d587ad3766bbff96e7f466cf0775c170a/apps/audioplayers/a2dp_decoder/a2dp_decoder_sbc.cpp

Vendor Advisories for CVE-2026-79377(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 27× in last 7d / 53× 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.

  1. 2026-09-21 00:24 UTCEG score recompute
  2. 2026-09-21 00:24 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 12:34 UTCGHSA enrichment
  5. 2026-09-20 00:44 UTCEG score recompute
  6. 2026-09-20 00:44 UTCGHSA enrichment
  7. 2026-09-19 12:54 UTCGHSA enrichment
  8. 2026-09-19 01:04 UTCEG score recompute
  9. 2026-09-19 01:04 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 13:15 UTCGHSA enrichment
  12. 2026-09-18 01:25 UTCEG score recompute
  13. 2026-09-18 01:25 UTCGHSA enrichment
  14. 2026-09-17 13:35 UTCGHSA enrichment
  15. 2026-09-17 01:45 UTCEG score recompute
  16. 2026-09-17 01:45 UTCGHSA enrichment
  17. 2026-09-16 14:08 UTCEPSS rescore
  18. 2026-09-16 13:55 UTCEG score recompute
  19. 2026-09-16 13:55 UTCGHSA enrichment
  20. 2026-09-16 05:15 UTCEPSS rescore
  21. 2026-09-16 02:03 UTCGHSA enrichment
  22. 2026-09-15 14:13 UTCEG score recompute
  23. 2026-09-15 14:13 UTCGHSA enrichment
  24. 2026-09-15 03:12 UTCEPSS rescore
  25. 2026-09-15 03:12 UTCEPSS rescore
Show 28 more
  1. 2026-09-15 02:23 UTCGHSA enrichment
  2. 2026-09-14 14:33 UTCGHSA enrichment
  3. 2026-09-14 02:43 UTCEG score recompute
  4. 2026-09-14 02:43 UTCGHSA enrichment
  5. 2026-09-13 14:53 UTCGHSA enrichment
  6. 2026-09-13 03:01 UTCGHSA enrichment
  7. 2026-09-12 15:11 UTCEG score recompute
  8. 2026-09-12 15:11 UTCGHSA enrichment
  9. 2026-09-12 03:21 UTCGHSA enrichment
  10. 2026-09-11 15:31 UTCEG score recompute
  11. 2026-09-11 15:31 UTCGHSA enrichment
  12. 2026-09-11 14:53 UTCEPSS rescore
  13. 2026-09-11 14:53 UTCEPSS rescore
  14. 2026-09-11 03:38 UTCGHSA enrichment
  15. 2026-09-10 15:48 UTCEG score recompute
  16. 2026-09-10 15:48 UTCGHSA enrichment
  17. 2026-09-10 03:58 UTCGHSA enrichment
  18. 2026-09-09 16:08 UTCGHSA enrichment
  19. 2026-09-09 15:22 UTCGHSA enrichment
  20. 2026-09-09 03:32 UTCGHSA enrichment
  21. 2026-09-08 15:42 UTCEG score recompute
  22. 2026-09-08 15:42 UTCGHSA enrichment
  23. 2026-09-08 15:27 UTCNVD updateCVSS v3 → 7.5 · severity → HIGH
  24. 2026-09-08 14:26 UTCNVD update
  25. 2026-09-08 14:21 UTCEG score recompute▲ 7.50
  26. 2026-09-08 14:19 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  27. 2026-09-08 13:50 UTCEG score recompute
  28. 2026-09-08 13:49 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-79377?
CVE-2026-79377 is a high vulnerability published on September 8, 2026. A heap overflow in the a2dpdecodersbc.cpp component of Bestechnic Co., Ltd BES2300 Bluetooth Audio SoC firmware v3.x and earlier allows attackers to cause a Denial of Service (DoS) via sending a crafted L2CAP packet.
When was CVE-2026-79377 disclosed?
CVE-2026-79377 was first published in the National Vulnerability Database on September 8, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-79377 actively exploited?
CVE-2026-79377 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 68.2% of all scored CVEs.
What is the CVSS score of CVE-2026-79377?
CVE-2026-79377 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-79377?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-79377, 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.

Dependency Blast Radius

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