CVE-2026-15427

HIGHPre-NVD 8.68.6—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.6 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5%, top 61% of all CVEs by exploit prediction. 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: epss, secondary
Trending — 4 sources updated this week
8.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.6Exploit: NoneExposed: 0

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

An OS command injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and sanitization of parameters, allowing crafted input to be executed as system-level commands. Exploitation requires specific conditions such as TR-069 being enabled and ability to influence ACS-delivered commands, compromise or control an ACS server.

Successful exploitation may allow arbitrary command execution with root privileges, resulting in complete compromise of the device.

CVSS v3
8.6
EG Score
8.6(medium)
EPSS
39.4%
KEV
Not listed

Published

July 14, 2026

Last Modified

July 15, 2026

Advisory Details (2)

Auto-updated Jul 14, 2026
No patch confirmed yet.
generic

Security Advisory: Multiple Vulnerabilities in TP-Link Archer VX1800v (CVE-2026-15427, CVE-2026-15428 & CVE-2026-15429)

https://www.tp-link.com/us/support/faq/5189/
generic

Download for Archer VX1800v | TP-Link

https://www.tp-link.com/en/support/download/archer-vx1800v/#Firmware

Vendor Advisories for CVE-2026-15427(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 7× in last 7d / 7× 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. 2026-07-15 18:33 UTCEG score recompute
  2. 2026-07-15 18:33 UTCGHSA enrichment
  3. 2026-07-15 16:57 UTCEPSS rescore
  4. 2026-07-15 05:53 UTCEG score recompute
  5. 2026-07-15 05:53 UTCGHSA enrichment
  6. 2026-07-14 17:10 UTCEG score recompute
  7. 2026-07-14 17:10 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-15427?
CVE-2026-15427 is a high vulnerability published on July 14, 2026. An OS command injection vulnerability exists in the TR-069 / CWMP management interface of Archer VX1800v v1 due to insufficient input validation and sanitization of parameters, allowing crafted input to be executed as system-level commands. Exploitation requires specific conditions such as TR-069…
When was CVE-2026-15427 disclosed?
CVE-2026-15427 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-2026-15427 actively exploited?
CVE-2026-15427 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15427?
CVE-2026-15427 has a CVSS v3 base score of 8.6 (NVD).
How do I remediate CVE-2026-15427?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15427, 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-2026-15427

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