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.
CVE-2026-15691
HIGHPre-NVD 8.88.8Trending — 3 sources updated this week
EchelonGraph scoreLOW confidence
This high-severity CVE scores 8.8 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: cna:vuldb
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: —CVSS: 8.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.8
- EG Score
- 8.8(low)
- EPSS
- —
- KEV
- Not listed
Published
July 14, 2026
Last Modified
July 14, 2026
Advisory Details (2)
Auto-updated Jul 14, 2026🔬 Proof of concept available. No patch confirmed yet.
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/1Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 3× 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.
- 2026-07-14 13:19 UTCNVD updateCVSS v4 → 7.4
- 2026-07-14 12:40 UTCEG score recompute
- 2026-07-14 12:40 UTCMITRE cvelistV5first tracked
Frequently asked(4)
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. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-15691?
CVE-2026-15691 has a CVSS v3 base score of 8.8 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
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
Explore the affected products and dependency analysis for CVE-2026-15691
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