CVE-2026-15513

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory (severity: LOW) published 2026-07-13. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 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 Wavlink WL-NU516U1 260515. This affects the function wlink_uci_set_value of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lan_ip results in os command injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3
6.3
EG Score
6.3(high)
EPSS
69.8%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 13, 2026
No patch confirmed yet.
generic

GitHub - 0xcc12138/wavlink-nu516u1-csrf-command-injection-: Stored command injection via CSRF authentication bypass in WAVLINK NU516U1 router firmware (WO-A-2026-05-15-708c073). Affects adm.cgi — broken SameSite cookie, strstr-based Referer validation bypass, and unsanitized system() call. · GitHub

https://github.com/0xcc12138/wavlink-nu516u1-csrf-command-injection-

Vendor Advisories for CVE-2026-15513(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 10× in last 7d / 10× 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. 2026-07-14 18:53 UTCEG score recompute
  2. 2026-07-14 18:53 UTCGHSA enrichment
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 21:15 UTCEG score recompute
  5. 2026-07-13 21:15 UTCGHSA enrichment
  6. 2026-07-13 16:24 UTCNVD updateCVSS v4 → 2.1
  7. 2026-07-13 15:32 UTCMITRE cvelistV5CVSS v4 → 5.3
  8. 2026-07-13 00:18 UTCNVD updateCVSS v4 → 2.1
  9. 2026-07-12 23:38 UTCEG score recompute
  10. 2026-07-12 23:37 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15513?
CVE-2026-15513 is a medium vulnerability published on July 12, 2026. A security flaw has been discovered in Wavlink WL-NU516U1 260515. This affects the function wlinkucisetvalue of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument lanip results in os command injection. The attack can be initiated remotely. The exploit has been released to the…
When was CVE-2026-15513 disclosed?
CVE-2026-15513 was first published in the National Vulnerability Database on July 12, 2026, with the most recent update on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15513 actively exploited?
CVE-2026-15513 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15513?
CVE-2026-15513 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-15513?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15513, 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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