CVE-2026-49200

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-05-29. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file contains cleartext login credentials (for web and Telnet), leading to unauthorized system access.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
42%
KEV
Not listed

Published

May 29, 2026

Last Modified

July 21, 2026

Advisory Details (1)

Auto-updated Aug 29, 2026
No patch confirmed yet.
generic🔴 Active Exploitation

Security Advisory: Upcoming Firmware Update for Acer Wave 7 Router - Acer Community

https://community.acer.com/en/kb/articles/19673

Vendor Advisories for CVE-2026-49200(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 6× in last 7d / 111× 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 391 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-49200?
CVE-2026-49200 is a critical vulnerability published on May 29, 2026. The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file contains cleartext login credentials (for web and Telnet), leading to unauthorized system access.
When was CVE-2026-49200 disclosed?
CVE-2026-49200 was first published in the National Vulnerability Database on May 29, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-49200 actively exploited?
CVE-2026-49200 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 57.9% of all scored CVEs.
What is the CVSS score of CVE-2026-49200?
CVE-2026-49200 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-49200?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-49200, 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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