CVE-2015-7280: The web administration interface on ReadyNet WRT300N-DD devices with firmware 1.0.26 has a default password of

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CRITICAL 9.8REMOTEMITIGATE

CVE-2015-7280 is a critical-severity flaw (CVSS 9.8) affecting wrt300n-dd firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The web administration interface on ReadyNet WRT300N-DD devices with firmware 1.0.26 has a default password of admin for the admin account, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-255
Published	2015-12-31
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: readynet solutions

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

Am I affected?

Timeline

2015-12-31 05:59 UTCPublished CVE record published
2026-06-17 00:32 UTCUpdated Record last modified

readynet solutions wrt300n-dd firmware MITIGATE

Affected: 1.0.26

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.26

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2015-7280?

wrt300n-dd firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-7280 being exploited?

CVE-2015-7280 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-2015-7280 affect?

CVE-2015-7280 affects wrt300n-dd firmware. Severity is critical (CVSS 9.8). The web administration interface on ReadyNet WRT300N-DD devices with firmware 1.0.26 has a default password of admin for the admin account, which allows remote attackers to obtain administrative privileges by leveraging a LAN session.

How urgent is CVE-2015-7280?

Priority 60/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2015-7282 MEDIUM 5.8 MITIGATE MITIGATE ReadyNet WRT300N-DD devices with firmware 1.0.26 use the same source port number for every DNS query, which ma
CVE-2015-7281 HIGH 8.8 MITIGATE Cross-site request forgery (CSRF) vulnerability on ReadyNet WRT300N-DD devices with firmware 1.0.26 allows rem

References

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