CVE-2022-26258

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 80%CVSS: 9.8Exploit: cisa kev · ssvc active · epss top5pct · epss highExposed: 0

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

D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

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
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
80%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 28, 2022

Last Modified

July 9, 2026

Advisory Details (4)

Auto-updated Jul 25, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26258
generic

Security Bulletin | D-Link

https://www.dlink.com/en/security-bulletin/
generic

cve_info_data/Vuln/Vuln/DIR-820L/command_execution_0/README.md at ccaed4b94ba762eb8a8e003bfa762a7754b8182e · kkx600/cve_info_data · GitHub

https://github.com/zhizhuoshuma/cve_info_data/blob/ccaed4b94ba762eb8a8e003bfa762a7754b8182e/Vuln/Vuln/DIR-820L/command_execution_0/README.md
generic

Smart Home, SMB and Enterprise solutions | D-Link

http://dlink.com

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 38× in last 7d / 212× 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 449 total refreshes for this CVE.

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

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Frequently asked(6)

What is CVE-2022-26258?
CVE-2022-26258 is a critical vulnerability published on March 28, 2022. D-Link DIR-820L 1.05B03 was discovered to contain remote command execution (RCE) vulnerability via HTTP POST to get set ccp.
When was CVE-2022-26258 disclosed?
CVE-2022-26258 was first published in the National Vulnerability Database on March 28, 2022, with the most recent update on July 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-26258 actively exploited?
Yes. CISA added CVE-2022-26258 to the Known Exploited Vulnerabilities catalog on September 8, 2022, affecting D-Link DIR-820L. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2022-26258?
CVE-2022-26258 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2022-26258?
CVE-2022-26258 affects D-Link DIR-820L. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2022-26258?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-26258, 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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