CVE-2026-13722

HIGHNVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2026-07-03. NVD baseline CVSS 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.2EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 7.2Exploit: None knownExposed services: Not assessed

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

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.

CVSS v3
7.2
EG Score
7.2HIGHmedium confidence
EG Risk
33
EG Risk 33/100

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
Severity72% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.3%
EPSS %ILE
24th
KEV
Not listed

Published

July 3, 2026

Last Modified

August 28, 2026

Advisory Details (1)

Auto-updated Jul 6, 2026
No fix on record yet.
generic

WatchGuard Firebox Firmware Image Validation Bypass in WatchGuard Fireware OS | WatchGuard Technologies

https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022

Vendor Advisories for CVE-2026-13722(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 7× in last 7d / 31× 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 234 total refreshes for this CVE.

  1. 2026-10-10 19:59 UTCEPSS rescore
  2. 2026-10-09 20:06 UTCEPSS rescore
  3. 2026-10-08 17:11 UTCEPSS rescore
  4. 2026-10-07 23:47 UTCEPSS rescore
  5. 2026-10-06 15:17 UTCEPSS rescore
  6. 2026-10-05 17:42 UTCEPSS rescore
  7. 2026-10-04 23:21 UTCEPSS rescore
  8. 2026-10-03 14:25 UTCEPSS rescore
  9. 2026-10-01 19:49 UTCEPSS rescore
  10. 2026-09-30 15:02 UTCEPSS rescore
  11. 2026-09-29 15:20 UTCEPSS rescore
  12. 2026-09-28 13:51 UTCEPSS rescore
  13. 2026-09-27 13:47 UTCEPSS rescore
  14. 2026-09-26 15:58 UTCEPSS rescore
  15. 2026-09-23 13:47 UTCEPSS rescore
  16. 2026-09-23 06:36 UTCEG score recompute
  17. 2026-09-23 06:36 UTCGHSA enrichment
  18. 2026-09-20 20:15 UTCEPSS rescore
  19. 2026-09-18 19:27 UTCEPSS rescore
  20. 2026-09-18 06:13 UTCEG score recompute
  21. 2026-09-18 06:13 UTCGHSA enrichment
  22. 2026-09-16 05:14 UTCEPSS rescore
  23. 2026-09-14 00:05 UTCEG score recompute
  24. 2026-09-14 00:05 UTCGHSA enrichment
  25. 2026-09-13 16:46 UTCEPSS rescore
Show 75 more
  1. 2026-09-13 08:58 UTCEG score recompute
  2. 2026-09-13 08:58 UTCGHSA enrichment
  3. 2026-09-12 15:00 UTCEPSS rescore
  4. 2026-09-12 14:13 UTCEG score recompute
  5. 2026-09-12 14:13 UTCGHSA enrichment
  6. 2026-09-11 14:52 UTCEPSS rescore
  7. 2026-09-10 09:34 UTCEPSS rescore
  8. 2026-09-08 22:00 UTCEPSS rescore
  9. 2026-09-06 14:18 UTCEG score recompute
  10. 2026-09-06 14:18 UTCGHSA enrichment
  11. 2026-09-06 13:47 UTCEPSS rescore
  12. 2026-09-05 23:50 UTCEG score recompute
  13. 2026-09-05 23:50 UTCGHSA enrichment
  14. 2026-09-04 05:06 UTCEPSS rescore
  15. 2026-09-02 14:11 UTCEPSS rescore
  16. 2026-09-01 13:53 UTCEPSS rescore
  17. 2026-09-01 04:39 UTCEPSS rescore
  18. 2026-08-30 23:27 UTCEG score recompute
  19. 2026-08-30 23:27 UTCGHSA enrichment
  20. 2026-08-30 19:17 UTCEPSS rescore
  21. 2026-08-30 11:21 UTCEG score recompute
  22. 2026-08-30 11:21 UTCGHSA enrichment
  23. 2026-08-30 01:21 UTCEPSS rescore
  24. 2026-08-28 21:40 UTCEPSS rescore
  25. 2026-08-28 00:39 UTCGHSA enrichment
  26. 2026-08-27 23:29 UTCGHSA enrichment
  27. 2026-08-27 22:13 UTCEG score recompute
  28. 2026-08-27 22:13 UTCGHSA enrichment
  29. 2026-08-27 14:24 UTCEPSS rescore
  30. 2026-08-25 13:48 UTCEPSS rescore
  31. 2026-08-25 13:39 UTCGHSA enrichment
  32. 2026-08-24 20:55 UTCEG score recompute
  33. 2026-08-24 20:55 UTCGHSA enrichment
  34. 2026-08-24 07:08 UTCGHSA enrichment
  35. 2026-08-23 19:12 UTCGHSA enrichment
  36. 2026-08-23 07:16 UTCEG score recompute
  37. 2026-08-23 07:16 UTCGHSA enrichment
  38. 2026-08-23 00:19 UTCEPSS rescore
  39. 2026-08-22 19:20 UTCGHSA enrichment
  40. 2026-08-22 06:02 UTCEG score recompute
  41. 2026-08-22 06:02 UTCGHSA enrichment
  42. 2026-08-21 23:48 UTCEPSS rescore
  43. 2026-08-21 17:14 UTCGHSA enrichment
  44. 2026-08-21 04:26 UTCEG score recompute
  45. 2026-08-21 04:26 UTCGHSA enrichment
  46. 2026-08-20 22:55 UTCEPSS rescore
  47. 2026-08-20 15:54 UTCGHSA enrichment
  48. 2026-08-20 03:59 UTCEG score recompute
  49. 2026-08-20 03:59 UTCGHSA enrichment
  50. 2026-08-19 17:03 UTCEPSS rescore
  51. 2026-08-19 09:18 UTCGHSA enrichment
  52. 2026-08-18 20:53 UTCEG score recompute
  53. 2026-08-18 20:52 UTCGHSA enrichment
  54. 2026-08-18 13:48 UTCEPSS rescore
  55. 2026-08-18 04:28 UTCEG score recompute
  56. 2026-08-18 04:28 UTCGHSA enrichment
  57. 2026-08-17 12:38 UTCGHSA enrichment
  58. 2026-08-17 00:42 UTCEG score recompute
  59. 2026-08-17 00:42 UTCGHSA enrichment
  60. 2026-08-16 14:56 UTCEPSS rescore
  61. 2026-08-16 12:46 UTCEG score recompute
  62. 2026-08-16 12:46 UTCGHSA enrichment
  63. 2026-08-16 02:14 UTCEPSS rescore
  64. 2026-08-16 00:51 UTCGHSA enrichment
  65. 2026-08-15 12:56 UTCEG score recompute
  66. 2026-08-15 12:56 UTCGHSA enrichment
  67. 2026-08-15 01:30 UTCEPSS rescore
  68. 2026-08-15 01:01 UTCGHSA enrichment
  69. 2026-08-14 13:06 UTCGHSA enrichment
  70. 2026-08-14 08:11 UTCEG score recompute
  71. 2026-08-14 08:11 UTCGHSA enrichment
  72. 2026-08-13 22:00 UTCEPSS rescore
  73. 2026-08-13 20:15 UTCEG score recompute▼ 1.40
  74. 2026-08-13 20:15 UTCGHSA enrichment
  75. 2026-08-13 20:14 UTCNVD updateCVSS v3 → 7.2

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13722?
CVE-2026-13722 is a high vulnerability published on July 3, 2026. WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.
When was CVE-2026-13722 disclosed?
CVE-2026-13722 was first published on July 3, 2026, with the most recent update on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13722 actively exploited?
CVE-2026-13722 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (24th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-13722?
CVE-2026-13722 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-13722?
No fix for CVE-2026-13722 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-13722 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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