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CVE-2025-0647

28
FAUCET Score

CVE-2025-0647 is a high-severity vulnerability affecting certain Arm CPUs where a specific instruction can prevent Translation Lookaside Buffer (TLB) invalidation, potentially leading to the retention of stale TLB entries. With a CVSS score of 7.9, this vulnerability has a local attack vector, low attack complexity, and high impact on confidentiality and integrity, allowing an attacker with high privileges to compromise the system. Despite its high risk score and significant community discussion (10 mentions), there is currently no evidence of active exploitation, nor are there any public exploit codes available in Metasploit, Nuclei, or ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:arm:c1-ultra_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:arm:c1-premium_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:arm:cortex-a710_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:arm:cortex-x2_firmware:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:arm:cortex-x3_firmware:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.9HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.5
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.15%
Probability of exploitation in next 30 days
EPSS Percentile
4.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0015 is in the 15th percentile among its peer group of 358 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

netgearpatch availablevia llm_extracted
View patch
sophospatch availablevia llm_extracted
View patch

Vendor Advisories (2)

sophosllm-sophos-02e5f81387e18b4cMEDIUM

Vulnerability in select Arm processors impacting C4A and A4X VMs in Compute Engine

Jan 14, 2026
netgearllm-netgear-40930a84c9df6328MEDIUM

Vulnerability in select Arm processors impacting C4A and A4X VMs in Compute Engine

References

graph.volerion.com / view
Third Party Advisory
developer.arm.com / documentation/111546
Vendor Advisory