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CVE-2024-7540

15
FAUCET Score

CVE-2024-7540 is an uninitialized variable vulnerability in oFono, specifically affecting the parsing of AT+CMGL command responses, which can lead to local information disclosure. This vulnerability has a low CVSS score of 3.3, requiring local access and code execution on the target modem to exploit, potentially allowing for root-level arbitrary code execution when chained with other vulnerabilities. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.34CPE matchmatch criteria
cpe:2.3:a:ofono_project:ofono:1.34:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.3LOW

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
21.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 68th percentile among its peer group of 1,511 CVEs.

Social Chatter

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

Media Mentions

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

Remediation

Patch Available

Vendor Patches (5)

ubuntupatch availablevia ubuntu_usn
Product: ofono (bionic)Fixed in: 1.21-1ubuntu1+esm3
ubuntupatch availablevia ubuntu_usn
Product: ofono (focal)Fixed in: 1.31-2ubuntu1+esm3
ubuntupatch availablevia ubuntu_usn
Product: ofono (jammy)Fixed in: 1.31-3ubuntu1.2+esm1
ubuntupatch availablevia ubuntu_usn
Product: ofono (noble)Fixed in: 1.31-3ubuntu3.24.04.2+esm1
ubuntupatch availablevia ubuntu_usn
Product: ofono (xenial)Fixed in: 1.17.bzr6912+16.04.20160314.3-0ubuntu1+esm3

Vendor Advisories (1)

ubuntuUSN-8178-1

oFono vulnerabilities

Apr 16, 2026

References

zerodayinitiative.com / advisories/ZDI-24-1080
Third Party Advisory