CVE-2026-15691

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-14. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.8Exploit: Elevated riskExposed: 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 BE12 Pro 16.03.66.23. This affects the function fromSafeClientFilter of the file /goform/SafeClientFilter. Performing a manipulation of the argument page results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
55%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 15, 2026

Advisory Details (2)

Auto-updated Jul 14, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

腾达(Tenda) 腾达中文网站 - 致力于建设值得信赖的好网络

https://www.tenda.com.cn/
generic🟡 PoC Available

Tenda Router BE12 Pro V16.03.66.23 - Buffer Overflow in `/goform/SafeClientFilter` · Issue #1 · cve-a/dexingzhiqing · GitHub

https://github.com/cve-a/dexingzhiqing/issues/1

Vendor Advisories for CVE-2026-15691(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 19× in last 7d / 108× 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 152 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-15691?
CVE-2026-15691 is a high vulnerability published on July 14, 2026. A security flaw has been discovered in Tenda BE12 Pro 16.03.66.23. This affects the function fromSafeClientFilter of the file /goform/SafeClientFilter. Performing a manipulation of the argument page results in stack-based buffer overflow. The attack is possible to be carried out remotely. The…
When was CVE-2026-15691 disclosed?
CVE-2026-15691 was first published in the National Vulnerability Database on July 14, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15691 actively exploited?
CVE-2026-15691 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 44.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15691?
CVE-2026-15691 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-15691?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15691, 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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