CVE-2025-3763: A vulnerability classified as critical has been found in SourceCodester Phone Management System 1.0

Routine

MEDIUM 5.3DOWNGRADE

CVE-2025-3763 is a medium-severity flaw (CVSS 5.3) affecting phone management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as critical has been found in SourceCodester Phone Management System 1.0. This affects the function main of the component Password Handler. The manipulation of the argument s leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-119, CWE-120
Published	2025-04-17
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: razormist

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-17 19:16 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

razormist phone management system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy phone-management-system || rpm -q phone-management-system || phone-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison phone-management-system sudo apt install phone-management-system=<VERSION_BEFORE_1.0> sudo apt-mark hold phone-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list phone-management-system sudo dnf downgrade phone-management-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add phone-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-3763?

phone management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-3763 being exploited?

CVE-2025-3763 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-3763 affect?

CVE-2025-3763 affects phone management system. Severity is medium (CVSS 5.3). A vulnerability classified as critical has been found in SourceCodester Phone Management System 1.0. This affects the function main of the component Password Handler. The manipulation of the argument s leads to buffer overflow. Local access

How urgent is CVE-2025-3763?

Priority 31/100. Public exploit reference

References

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