CVE-2026-15480

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-07-12. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this weekElevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function start_httpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument device_name leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is publicly available and might be used. The vendor explains: "We are unable to confirm if the vulnerability exists. This item has been EOL since 2011. We will make an official announcement of possible vulnerabilities, and recommend users to switch devices." This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3
8.8
EG Score
8.8(high)
EPSS
37.0%
KEV
Not listed

Published

July 12, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

IoT-Vulnerability/TRENDnet/TRENDnet_TEW635BRM_device_name_BOF_EN.md at main · glkfc/IoT-Vulnerability · GitHub

https://github.com/glkfc/IoT-Vulnerability/blob/main/TRENDnet/TRENDnet_TEW635BRM_device_name_BOF_EN.md

Vendor Advisories for CVE-2026-15480(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 / 15× 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 10:30 UTCEG score recompute
  2. 2026-07-14 10:30 UTCGHSA enrichment
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 21:20 UTCEG score recompute
  5. 2026-07-13 21:20 UTCGHSA enrichment
  6. 2026-07-13 20:08 UTCNVD updateCVSS v4 → 7.4
  7. 2026-07-13 18:27 UTCMITRE cvelistV5CVSS v4 → 8.7
  8. 2026-07-13 08:10 UTCEG score recompute
  9. 2026-07-13 08:10 UTCGHSA enrichment
  10. 2026-07-13 06:12 UTCEPSS rescore
  11. 2026-07-12 19:00 UTCEG score recompute
  12. 2026-07-12 19:00 UTCGHSA enrichment
  13. 2026-07-12 08:07 UTCNVD updateCVSS v4 → 7.4
  14. 2026-07-12 05:50 UTCEG score recompute
  15. 2026-07-12 05:49 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15480?
CVE-2026-15480 is a high vulnerability published on July 12, 2026. A vulnerability was identified in Trendnet TEW-635BRM up to 1.00.03. This affects the function starthttpd of the file /sbin/rc of the component Web Service. Such manipulation of the argument devicename leads to stack-based buffer overflow. The attack can be executed remotely. The exploit is…
When was CVE-2026-15480 disclosed?
CVE-2026-15480 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-2026-15480 actively exploited?
CVE-2026-15480 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15480?
CVE-2026-15480 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-15480?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15480, 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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