CVE-2026-5549

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 67% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
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: Elevated riskExposed: 0

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

A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

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%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
33%
KEV
Not listed

Published

April 5, 2026

Last Modified

July 24, 2026

Advisory Details (2)

Auto-updated Apr 30, 2026
No patch confirmed yet.
generic

腾达(Tenda) 官方网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/
generic

tenda-ac10v4-vulnerabilities/findings/CRITICAL-05-exposed-rsa-private-key.md at main · somanyerrors/tenda-ac10v4-vulnerabilities · GitHub

https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/CRITICAL-05-exposed-rsa-private-key.md

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 26× 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 179 total refreshes for this CVE.

  1. 2026-09-15 03:11 UTCEPSS rescore
  2. 2026-09-13 16:47 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-10 09:35 UTCEPSS rescore
  5. 2026-09-08 22:01 UTCEPSS rescore
  6. 2026-09-07 16:01 UTCEPSS rescore
  7. 2026-09-06 13:47 UTCEPSS rescore
  8. 2026-09-04 05:07 UTCEPSS rescore
  9. 2026-09-02 14:12 UTCEPSS rescore
  10. 2026-09-01 13:54 UTCEPSS rescore
  11. 2026-09-01 04:40 UTCEPSS rescore
  12. 2026-08-30 19:17 UTCEPSS rescore
  13. 2026-08-30 01:22 UTCEPSS rescore
  14. 2026-08-28 21:42 UTCEPSS rescore
  15. 2026-08-27 14:25 UTCEPSS rescore
  16. 2026-08-26 14:46 UTCEPSS rescore
  17. 2026-08-25 13:49 UTCEPSS rescore
  18. 2026-08-23 00:19 UTCEPSS rescore
  19. 2026-08-21 23:49 UTCEPSS rescore
  20. 2026-08-20 22:55 UTCEPSS rescore
  21. 2026-08-19 17:04 UTCEPSS rescore
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-17 13:47 UTCEPSS rescore
  24. 2026-08-16 14:56 UTCEPSS rescore
  25. 2026-08-16 08:29 UTCEG score recompute
Show 75 more
  1. 2026-08-16 08:29 UTCGHSA enrichment
  2. 2026-08-15 01:30 UTCEPSS rescore
  3. 2026-08-14 18:49 UTCGHSA enrichment
  4. 2026-08-14 05:37 UTCEG score recompute
  5. 2026-08-14 05:37 UTCGHSA enrichment
  6. 2026-08-13 22:00 UTCEPSS rescore
  7. 2026-08-13 09:53 UTCGHSA enrichment
  8. 2026-08-12 19:53 UTCEG score recompute
  9. 2026-08-12 19:53 UTCGHSA enrichment
  10. 2026-08-12 13:51 UTCEPSS rescore
  11. 2026-08-11 20:13 UTCEG score recompute
  12. 2026-08-11 20:12 UTCGHSA enrichment
  13. 2026-08-11 03:22 UTCEG score recompute
  14. 2026-08-11 03:22 UTCGHSA enrichment
  15. 2026-08-11 00:00 UTCEPSS rescore
  16. 2026-08-10 03:35 UTCGHSA enrichment
  17. 2026-08-09 16:22 UTCEG score recompute
  18. 2026-08-09 16:22 UTCGHSA enrichment
  19. 2026-08-09 13:46 UTCEPSS rescore
  20. 2026-08-09 05:09 UTCEG score recompute
  21. 2026-08-09 05:09 UTCGHSA enrichment
  22. 2026-08-08 16:37 UTCEPSS rescore
  23. 2026-08-08 02:27 UTCEG score recompute
  24. 2026-08-08 02:27 UTCGHSA enrichment
  25. 2026-08-07 15:14 UTCEG score recompute
  26. 2026-08-07 15:14 UTCGHSA enrichment
  27. 2026-08-06 13:47 UTCEPSS rescore
  28. 2026-08-06 13:05 UTCGHSA enrichment
  29. 2026-08-06 00:12 UTCEG score recompute
  30. 2026-08-06 00:12 UTCGHSA enrichment
  31. 2026-08-05 19:17 UTCEPSS rescore
  32. 2026-08-04 15:10 UTCEPSS rescore
  33. 2026-08-04 10:39 UTCEPSS rescore
  34. 2026-08-03 22:34 UTCEG score recompute
  35. 2026-08-03 22:34 UTCGHSA enrichment
  36. 2026-08-03 10:36 UTCEPSS rescore
  37. 2026-08-03 01:51 UTCGHSA enrichment
  38. 2026-08-02 14:30 UTCEG score recompute
  39. 2026-08-02 14:30 UTCGHSA enrichment
  40. 2026-08-02 02:27 UTCEPSS rescore
  41. 2026-08-01 04:16 UTCEPSS rescore
  42. 2026-07-30 16:28 UTCEPSS rescore
  43. 2026-07-30 01:30 UTCEPSS rescore
  44. 2026-07-30 01:30 UTCEPSS rescore
  45. 2026-07-28 15:37 UTCEPSS rescore
  46. 2026-07-27 14:14 UTCEPSS rescore
  47. 2026-07-26 14:54 UTCEPSS rescore
  48. 2026-07-26 14:54 UTCEPSS rescore
  49. 2026-07-26 09:10 UTCEG score recompute▲ 2.20
  50. 2026-07-26 09:10 UTCGHSA enrichment
  51. 2026-07-25 14:18 UTCEPSS rescore
  52. 2026-07-25 14:18 UTCEPSS rescore
  53. 2026-07-24 20:11 UTCNVD updateCVSS v3 → 7.5 · CVSS v4 → 5.5 · severity → HIGH
  54. 2026-07-24 14:18 UTCEPSS rescore
  55. 2026-07-24 14:18 UTCEPSS rescore
  56. 2026-07-23 14:18 UTCEPSS rescore
  57. 2026-07-23 14:18 UTCEPSS rescore
  58. 2026-07-23 03:20 UTCEG score recompute
  59. 2026-07-22 14:08 UTCEPSS rescore
  60. 2026-07-22 14:08 UTCEPSS rescore
  61. 2026-07-21 15:25 UTCEPSS rescore
  62. 2026-07-21 15:25 UTCEPSS rescore
  63. 2026-07-20 17:08 UTCEPSS rescore
  64. 2026-07-19 02:29 UTCEPSS rescore
  65. 2026-07-18 10:04 UTCEPSS rescore
  66. 2026-07-16 17:03 UTCEPSS rescore
  67. 2026-07-15 16:57 UTCEPSS rescore
  68. 2026-07-15 16:57 UTCEPSS rescore
  69. 2026-07-15 02:00 UTCEPSS rescore
  70. 2026-07-15 02:00 UTCEPSS rescore
  71. 2026-07-13 22:31 UTCEPSS rescore
  72. 2026-07-13 06:13 UTCEPSS rescore
  73. 2026-07-13 06:13 UTCEPSS rescore
  74. 2026-07-12 05:46 UTCEPSS rescore
  75. 2026-07-11 08:27 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-5549?
CVE-2026-5549 is a high vulnerability published on April 5, 2026. A vulnerability was determined in Tenda AC10 16.03.10.10multiTDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The…
When was CVE-2026-5549 disclosed?
CVE-2026-5549 was first published in the National Vulnerability Database on April 5, 2026, with the most recent update on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5549 actively exploited?
CVE-2026-5549 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 67.0% of all scored CVEs.
What is the CVSS score of CVE-2026-5549?
CVE-2026-5549 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-5549?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5549, 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

Explore the affected products and dependency analysis for CVE-2026-5549

Explore →

Is Your Infrastructure Affected by CVE-2026-5549?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs