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 — 3 sources updated this weekElevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 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)
EG Risk
56(Track*)
EG Risk 56/100SSVC: 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
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
38%
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 / 38× 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. 2026-07-27 15:29 UTCEG score recompute
  2. 2026-07-27 15:29 UTCGHSA enrichment
  3. 2026-07-27 14:13 UTCEPSS rescore
  4. 2026-07-27 01:13 UTCEG score recompute
  5. 2026-07-27 01:13 UTCGHSA enrichment
  6. 2026-07-26 14:54 UTCEPSS rescore
  7. 2026-07-26 14:54 UTCEPSS rescore
  8. 2026-07-26 12:03 UTCEG score recompute
  9. 2026-07-26 12:02 UTCGHSA enrichment
  10. 2026-07-25 14:17 UTCEPSS rescore
  11. 2026-07-24 14:17 UTCEPSS rescore
  12. 2026-07-23 14:18 UTCEPSS rescore
  13. 2026-07-23 03:05 UTCEG score recompute
  14. 2026-07-22 14:08 UTCEPSS rescore
  15. 2026-07-21 15:24 UTCEPSS rescore
  16. 2026-07-20 17:08 UTCEPSS rescore
  17. 2026-07-19 14:30 UTCEPSS rescore
  18. 2026-07-19 02:28 UTCEPSS rescore
  19. 2026-07-18 10:04 UTCEPSS rescore
  20. 2026-07-17 04:22 UTCGHSA enrichment
  21. 2026-07-16 17:02 UTCEPSS rescore
  22. 2026-07-16 15:12 UTCGHSA enrichment
  23. 2026-07-16 02:01 UTCGHSA enrichment
  24. 2026-07-15 16:57 UTCEPSS rescore
  25. 2026-07-15 12:51 UTCGHSA enrichment
Show 13 more
  1. 2026-07-15 02:00 UTCEPSS rescore
  2. 2026-07-14 23:40 UTCGHSA enrichment
  3. 2026-07-14 10:30 UTCGHSA enrichment
  4. 2026-07-13 22:30 UTCEPSS rescore
  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 UTCGHSA enrichment
  9. 2026-07-13 06:12 UTCEPSS rescore
  10. 2026-07-12 19:00 UTCGHSA enrichment
  11. 2026-07-12 08:07 UTCNVD updateCVSS v4 → 7.4
  12. 2026-07-12 05:50 UTCEG score recompute
  13. 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 0% probability of exploitation in the next 30 days, which ranks it in the top 61.8% of all scored CVEs.
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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