CVE-2026-5526

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 71% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
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: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks.

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%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
30%
KEV
Not listed

Published

April 4, 2026

Last Modified

July 24, 2026

Advisory Details (1)

Auto-updated Sep 11, 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/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 25× 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 206 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 12:18 UTCGHSA enrichment
Show 75 more
  1. 2026-08-16 08:30 UTCEG score recompute
  2. 2026-08-16 08:30 UTCGHSA enrichment
  3. 2026-08-15 01:30 UTCEPSS rescore
  4. 2026-08-14 22:37 UTCGHSA enrichment
  5. 2026-08-14 18:49 UTCGHSA enrichment
  6. 2026-08-14 13:15 UTCGHSA enrichment
  7. 2026-08-14 09:26 UTCGHSA enrichment
  8. 2026-08-14 05:38 UTCEG score recompute
  9. 2026-08-14 05:38 UTCGHSA enrichment
  10. 2026-08-13 22:00 UTCEPSS rescore
  11. 2026-08-13 09:53 UTCGHSA enrichment
  12. 2026-08-13 03:29 UTCGHSA enrichment
  13. 2026-08-12 23:42 UTCGHSA enrichment
  14. 2026-08-12 19:54 UTCEG score recompute
  15. 2026-08-12 19:54 UTCGHSA enrichment
  16. 2026-08-12 13:51 UTCEPSS rescore
  17. 2026-08-12 00:15 UTCGHSA enrichment
  18. 2026-08-11 20:13 UTCEG score recompute
  19. 2026-08-11 20:13 UTCGHSA enrichment
  20. 2026-08-11 07:09 UTCGHSA enrichment
  21. 2026-08-11 03:22 UTCEG score recompute
  22. 2026-08-11 03:22 UTCGHSA enrichment
  23. 2026-08-11 00:00 UTCEPSS rescore
  24. 2026-08-10 11:57 UTCGHSA enrichment
  25. 2026-08-10 07:56 UTCGHSA enrichment
  26. 2026-08-10 04:08 UTCGHSA enrichment
  27. 2026-08-10 00:20 UTCGHSA enrichment
  28. 2026-08-09 20:32 UTCGHSA enrichment
  29. 2026-08-09 16:45 UTCEG score recompute
  30. 2026-08-09 16:45 UTCGHSA enrichment
  31. 2026-08-09 13:46 UTCEPSS rescore
  32. 2026-08-09 12:57 UTCGHSA enrichment
  33. 2026-08-09 08:57 UTCGHSA enrichment
  34. 2026-08-09 05:09 UTCEG score recompute
  35. 2026-08-09 05:09 UTCGHSA enrichment
  36. 2026-08-08 16:37 UTCEPSS rescore
  37. 2026-08-08 10:14 UTCGHSA enrichment
  38. 2026-08-08 06:26 UTCGHSA enrichment
  39. 2026-08-08 02:38 UTCGHSA enrichment
  40. 2026-08-07 22:50 UTCGHSA enrichment
  41. 2026-08-07 19:02 UTCEG score recompute
  42. 2026-08-07 19:02 UTCGHSA enrichment
  43. 2026-08-07 15:15 UTCGHSA enrichment
  44. 2026-08-06 17:39 UTCEG score recompute
  45. 2026-08-06 17:39 UTCGHSA enrichment
  46. 2026-08-06 13:47 UTCEPSS rescore
  47. 2026-08-06 13:06 UTCGHSA enrichment
  48. 2026-08-06 07:49 UTCGHSA enrichment
  49. 2026-08-06 04:01 UTCGHSA enrichment
  50. 2026-08-06 00:14 UTCEG score recompute
  51. 2026-08-06 00:14 UTCGHSA enrichment
  52. 2026-08-05 19:17 UTCEPSS rescore
  53. 2026-08-04 15:10 UTCEPSS rescore
  54. 2026-08-04 10:39 UTCEPSS rescore
  55. 2026-08-04 02:22 UTCGHSA enrichment
  56. 2026-08-03 22:34 UTCEG score recompute
  57. 2026-08-03 22:34 UTCGHSA enrichment
  58. 2026-08-03 10:36 UTCEPSS rescore
  59. 2026-08-03 02:17 UTCGHSA enrichment
  60. 2026-08-02 22:15 UTCGHSA enrichment
  61. 2026-08-02 18:27 UTCGHSA enrichment
  62. 2026-08-02 14:31 UTCEG score recompute
  63. 2026-08-02 14:31 UTCGHSA enrichment
  64. 2026-08-02 02:27 UTCEPSS rescore
  65. 2026-08-01 04:16 UTCEPSS rescore
  66. 2026-07-30 16:28 UTCEPSS rescore
  67. 2026-07-30 01:30 UTCEPSS rescore
  68. 2026-07-30 01:30 UTCEPSS rescore
  69. 2026-07-28 15:37 UTCEPSS rescore
  70. 2026-07-27 14:14 UTCEPSS rescore
  71. 2026-07-26 14:54 UTCEPSS rescore
  72. 2026-07-26 14:54 UTCEPSS rescore
  73. 2026-07-26 09:10 UTCEG score recompute▲ 2.50
  74. 2026-07-26 09:10 UTCGHSA enrichment
  75. 2026-07-25 14:18 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-5526?
CVE-2026-5526 is a critical vulnerability published on April 4, 2026. A security flaw has been discovered in Tenda 4G03 Pro up to 1.0/1.1/04.03.01.53/192.168.0.1. Affected by this vulnerability is an unknown functionality of the file /bin/httpd. The manipulation results in improper access controls. The attack may be performed from remote. The exploit has been…
When was CVE-2026-5526 disclosed?
CVE-2026-5526 was first published in the National Vulnerability Database on April 4, 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-2026-5526 actively exploited?
CVE-2026-5526 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 70.4% of all scored CVEs.
What is the CVSS score of CVE-2026-5526?
CVE-2026-5526 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-5526?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5526, 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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