An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability exists in function ext4fs_get_bgdtable, the size calculation can lead to under allocation and this underallocated buffer will be used in memcpy() which could lead to arbitrary code execution, a denial of service, or other unspecified impacts.
CVE-2025-70293
UNRATEDCVSS · not yet scoredTrending — 5 sources updated this week
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EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: —Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EchelonGraph score
- Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
- EG Score
- —
- EG Risk
- —
- EPSS PROB
- 0%
- EPSS %ILE
- 7%
- KEV
- Not listed
Published
August 26, 2026
Last Modified
August 26, 2026
References (3)
- cve@mitrehttp://denx.com
- cve@mitrehttp://u-boot.com
- cve@mitrehttps://gist.github.com/c0zy1/4d9648d10a5ff07bda2771ea1298e469
Vendor Advisories for CVE-2025-70293(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Data Freshness Timeline
(refreshed 8× in last 7d / 8× 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.
- 2026-08-30 01:21 UTCEPSS rescore
- 2026-08-29 18:26 UTCEG score recompute
- 2026-08-29 18:26 UTCGHSA enrichment
- 2026-08-28 21:40 UTCEPSS rescore
- 2026-08-27 14:24 UTCEPSS rescore
- 2026-08-26 20:24 UTCNVD update
- 2026-08-26 19:27 UTCEG score recompute
- 2026-08-26 19:26 UTCMITRE cvelistV5first tracked
Frequently asked(4)
What is CVE-2025-70293?
CVE-2025-70293 is a publicly disclosed vulnerability published on August 26, 2026. An issue was discovered in Denx U-Boot before 2026.04. An integer overflow vulnerability exists in function ext4fsgetbgdtable, the size calculation can lead to under allocation and this underallocated buffer will be used in memcpy() which could lead to arbitrary code execution, a denial of service,…
When was CVE-2025-70293 disclosed?
CVE-2025-70293 was first published in the National Vulnerability Database on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-70293 actively exploited?
CVE-2025-70293 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 92.6% of all scored CVEs.
How do I remediate CVE-2025-70293?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-70293, 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-2025-70293
Is Your Infrastructure Affected by CVE-2025-70293?
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