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: 92%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
92%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

March 28, 2022

Last Modified

July 9, 2026

Advisory Details (4)

Auto-updated Sep 5, 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 56× in last 7d / 237× 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 762 total refreshes for this CVE.

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

Related CVEs(same CWE)

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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