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 — 3 sources updated this weekElevated
6.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 6.3Exploit: 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 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)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity63% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
61%
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 15× in last 7d / 33× 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. 2026-07-28 15:36 UTCEPSS rescore
  2. 2026-07-28 07:24 UTCEG score recompute
  3. 2026-07-28 07:24 UTCGHSA enrichment
  4. 2026-07-27 14:13 UTCEPSS rescore
  5. 2026-07-27 09:37 UTCEG score recompute
  6. 2026-07-27 09:37 UTCGHSA enrichment
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 12:00 UTCEG score recompute
  10. 2026-07-26 12:00 UTCGHSA enrichment
  11. 2026-07-25 14:17 UTCEPSS rescore
  12. 2026-07-24 14:17 UTCEPSS rescore
  13. 2026-07-23 14:18 UTCEPSS rescore
  14. 2026-07-23 03:05 UTCEG score recompute
  15. 2026-07-22 14:08 UTCEPSS rescore
  16. 2026-07-21 15:24 UTCEPSS rescore
  17. 2026-07-20 17:08 UTCEPSS rescore
  18. 2026-07-19 14:30 UTCEPSS rescore
  19. 2026-07-19 02:28 UTCEPSS rescore
  20. 2026-07-18 10:04 UTCEPSS rescore
  21. 2026-07-16 17:02 UTCEPSS rescore
  22. 2026-07-16 14:09 UTCGHSA enrichment
  23. 2026-07-15 16:57 UTCEPSS rescore
  24. 2026-07-15 16:31 UTCGHSA enrichment
  25. 2026-07-15 02:00 UTCEPSS rescore
Show 8 more
  1. 2026-07-14 18:53 UTCGHSA enrichment
  2. 2026-07-13 22:30 UTCEPSS rescore
  3. 2026-07-13 21:15 UTCGHSA enrichment
  4. 2026-07-13 16:24 UTCNVD updateCVSS v4 → 2.1
  5. 2026-07-13 15:32 UTCMITRE cvelistV5CVSS v4 → 5.3
  6. 2026-07-13 00:18 UTCNVD updateCVSS v4 → 2.1
  7. 2026-07-12 23:38 UTCEG score recompute
  8. 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 1% probability of exploitation in the next 30 days, which ranks it in the top 38.7% of all scored CVEs.
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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