CVE-2026-38142

MEDIUMPre-NVD 6.56.5—
EchelonGraph scoreHIGH confidence

Score 6.5 from GitHub Security Advisory published 2026-07-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0

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

An unauthenticated command injection vulnerability in the /goform/fast_setting_internet_set endpoint of Tenda AC18 v15.03.05.05 allows attackers to execute arbitrary commands via a crafted payload injected into the mac parameter.

CVSS v3
6.5
EG Score
6.5(high)
EPSS
48.1%
KEV
Not listed

Published

July 1, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

Tenda-ac-18-V15.03.05.05-/Tenda AC18 Unauthenticated Second-Order OS Command Injection in goformfast_setting_internet_set.pdf at main · longqx223/Tenda-ac-18-V15.03.05.05- · GitHub

https://github.com/longqx223/Tenda-ac-18-V15.03.05.05-/blob/main/Tenda%20AC18%20Unauthenticated%20Second-Order%20OS%20Command%20Injection%20in%20goformfast_setting_internet_set.pdf

Vendor Advisories for CVE-2026-38142(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 18× in last 7d / 18× 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. 2026-07-06 23:01 UTCEG score recompute
  2. 2026-07-06 23:01 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 22:39 UTCEG score recompute
  8. 2026-07-05 22:39 UTCGHSA enrichment
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-04 22:17 UTCEG score recompute
  11. 2026-07-04 22:16 UTCGHSA enrichment
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-03 21:54 UTCEG score recompute
  14. 2026-07-03 21:54 UTCGHSA enrichment
  15. 2026-07-02 21:31 UTCEG score recompute
  16. 2026-07-02 21:31 UTCGHSA enrichment
  17. 2026-07-01 21:09 UTCEG score recompute
  18. 2026-07-01 21:08 UTCNVD updatefirst tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-38142?
CVE-2026-38142 is a medium vulnerability published on July 1, 2026. An unauthenticated command injection vulnerability in the /goform/fastsettinginternet_set endpoint of Tenda AC18 v15.03.05.05 allows attackers to execute arbitrary commands via a crafted payload injected into the mac parameter.
When was CVE-2026-38142 disclosed?
CVE-2026-38142 was first published in the National Vulnerability Database on July 1, 2026, with the most recent update on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38142 actively exploited?
CVE-2026-38142 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-38142?
CVE-2026-38142 has a CVSS v3.1 base score of 6.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-38142?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38142, 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-2026-38142

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