CVE-2025-28128: An issue in Mytel Telecom Online Account System v1.0 allows attackers to bypass the OTP verification process v

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HIGH 7.0REMOTEDOWNGRADE

CVE-2025-28128 is a high-severity flaw (CVSS 7.0) affecting telecom online account system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue in Mytel Telecom Online Account System v1.0 allows attackers to bypass the OTP verification process via a crafted request.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.0 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-290
Published	2025-04-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mytel

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

Am I affected?

Timeline

2025-04-25 20:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

mytel telecom online account 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 telecom-online-account-system || rpm -q telecom-online-account-system || telecom-online-account-system --version

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

apt-cache madison telecom-online-account-system sudo apt install telecom-online-account-system=<VERSION_BEFORE_1.0> sudo apt-mark hold telecom-online-account-system

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

dnf --showduplicates list telecom-online-account-system sudo dnf downgrade telecom-online-account-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add telecom-online-account-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-2025-28128?

telecom online account system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-28128 being exploited?

CVE-2025-28128 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-2025-28128 affect?

CVE-2025-28128 affects telecom online account system. Severity is high (CVSS 7.0). An issue in Mytel Telecom Online Account System v1.0 allows attackers to bypass the OTP verification process via a crafted request.

How urgent is CVE-2025-28128?

Priority 44/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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