CVE-2025-21043

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.022 · 83 %ileDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

2.22% (83rd) EPSS

CVSS 9.8 · critical

Is it mine?

17 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2025-10-02remediate by 2025-10-23

required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-24

Samsung Mobile Devices Out-of-Bounds Write Vulnerability

Out-of-bounds write in libimagecodec.quram.so prior to SMR Sep-2025 Release 1 allows remote attackers to execute arbitrary code.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · mobile.security@samsung.comexploitability 2.8 · impact 5.9

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-787US

affected products (17)

Products and version ranges known to be affected.

Samsung Android 13 <SMR-SEP-2025all versionscert_bundDE
Samsung Android 14 <SMR-SEP-2025all versionscert_bundDE
Samsung Android 15 <SMR-SEP-2025all versionscert_bundDE
Samsung Android 16 <SMR-SEP-2025all versionscert_bundDE
Samsung Android≤ 16 <SMR-SEP-2025cert_bundDE
Samsung Android≤ 13 <SMR-SEP-2025cert_bundDE
Samsung Android≤ 14 <SMR-SEP-2025cert_bundDE
Samsung Android≤ 15 <SMR-SEP-2025cert_bundDE
Samsung Mobile Samsung Mobile Devices< SMR Sep-2025 Release in Android 13, 14, 15, 16enisa_euvdEU
Google Inc Android≤ 16fstec_bduRU
Google Inc Android≤ 15fstec_bduRU
Google Inc Android≤ 14fstec_bduRU
Google Inc Android≤ 13fstec_bduRU
samsung android= 13.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*
samsung android= 14.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*
samsung android= 15.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*
samsung android= 16.0nvdUScpe:2.3:o:samsung:android:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1943Samsung Android: Mehrere SchwachstellenDeutsch2025-09-02csaf · cert_bundDE
Ein lokaler Angreifer der ein Angreifer mit physischem Zugriff kann mehrere Schwachstellen in Samsung Android ausnutzen, um beliebigen Programmcode auszuführen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen oder Daten zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2025-09-12modified 2026-07-16

related (16,035)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-86950US	—OT critical	1.24% (69th)	KEV	2026-09-28
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing…
CVE-2026-87491US	—OT critical	3.14% (88th)	KEV	2026-09-09
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security…
CVE-2026-53362US	—OT critical	0.71% (53rd)	KEV	2026-07-04
In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branc…
CVE-2026-53266US	—OT critical	0.83% (57th)	KEV	2026-06-25
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source addre…
CVE-2026-11645US	—OT critical	2.44% (84th)	KEV	2026-06-09
Out of bounds read and write in V8 in Google Chrome prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium…

+16030 more

references (5)

External citations — patches, advisories, analysis.

scry

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