CVE-2026-52191

HIGHPre-NVD 7.5Trending — 4 sources updated this weekElevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

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

Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub_444C8C component

CVSS v3
7.5
EG Score
0.0(none)
EPSS
13.2%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jul 6, 2026
No patch confirmed yet.
generic

CVEreport/518G/FUN_00444c8c at main · akuma-QAQ/CVEreport · GitHub

https://github.com/akuma-QAQ/CVEreport/tree/main/518G/FUN_00444c8c
generic

UTT��̩-רҵ·������������������ǽƷ��

https://utt.com.cn/downloadcenter.php?filetypeid=3&model=518G&lang=zhcn

Vendor Advisories for CVE-2026-52191(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 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. 2026-07-06 16:27 UTCEPSS rescore
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 15:36 UTCMITRE cvelistV5CVSS v3 → 7.5 · severity → HIGH
  4. 2026-07-06 02:23 UTCEPSS rescore
  5. 2026-07-06 00:10 UTCEG score recompute
  6. 2026-07-06 00:09 UTCGHSA enrichment
  7. 2026-07-05 02:30 UTCEPSS rescore
  8. 2026-07-04 06:31 UTCEPSS rescore
  9. 2026-07-02 22:06 UTCEG score recompute
  10. 2026-07-02 22:06 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-52191?
CVE-2026-52191 is a high vulnerability published on July 2, 2026. Buffer Overflow vulnerability in UTT nv518G nv518GV3v3.2.7-210919-161313 allows a remote attacker to cause a denial of service via the gohead/sub_444C8C component
When was CVE-2026-52191 disclosed?
CVE-2026-52191 was first published in the National Vulnerability Database on July 2, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-52191 actively exploited?
CVE-2026-52191 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 13.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-52191?
CVE-2026-52191 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.
How do I remediate CVE-2026-52191?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-52191, 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-2026-52191

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