CVE-2026-15691

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH 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: 0%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(high)
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
0%
EPSS %ILE
38%
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 14× in last 7d / 30× 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.

  1. 2026-07-27 14:13 UTCEPSS rescore
  2. 2026-07-27 12:44 UTCGHSA enrichment
  3. 2026-07-27 00:16 UTCEG score recompute
  4. 2026-07-27 00:16 UTCGHSA enrichment
  5. 2026-07-26 14:54 UTCEPSS rescore
  6. 2026-07-26 14:54 UTCEPSS rescore
  7. 2026-07-26 11:49 UTCEG score recompute
  8. 2026-07-26 11:49 UTCGHSA enrichment
  9. 2026-07-25 14:17 UTCEPSS rescore
  10. 2026-07-24 14:17 UTCEPSS rescore
  11. 2026-07-23 14:18 UTCEPSS rescore
  12. 2026-07-23 03:05 UTCEG score recompute
  13. 2026-07-22 14:08 UTCEPSS rescore
  14. 2026-07-21 15:24 UTCEPSS rescore
  15. 2026-07-20 17:08 UTCEPSS rescore
  16. 2026-07-19 14:30 UTCEPSS rescore
  17. 2026-07-19 02:28 UTCEPSS rescore
  18. 2026-07-18 10:04 UTCEPSS rescore
  19. 2026-07-17 02:41 UTCGHSA enrichment
  20. 2026-07-16 17:02 UTCEPSS rescore
  21. 2026-07-16 14:17 UTCGHSA enrichment
  22. 2026-07-16 01:53 UTCGHSA enrichment
  23. 2026-07-15 16:57 UTCEPSS rescore
  24. 2026-07-15 16:23 UTCNVD updateCVSS v4 → 7.4
  25. 2026-07-15 14:49 UTCMITRE cvelistV5CVSS v4 → 8.7
Show 5 more
  1. 2026-07-15 13:29 UTCGHSA enrichment
  2. 2026-07-15 01:04 UTCGHSA enrichment
  3. 2026-07-14 13:19 UTCNVD updateCVSS v4 → 7.4
  4. 2026-07-14 12:40 UTCEG score recompute
  5. 2026-07-14 12:40 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

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 0% probability of exploitation in the next 30 days, which ranks it in the top 62.2% 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.

Dependency Blast Radius

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