CVE-2023-1803: Authentication Bypass by Alternate Name vulnerability in DTS Electronics Redline Router firmware allows Authen

Q: How do I fix CVE-2023-1803?

router firmware: upgrade to 7.17. Exact commands for each OS are on this page.

Q: Is CVE-2023-1803 being exploited?

CVE-2023-1803 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-1803 affect?

CVE-2023-1803 affects router firmware. Severity is critical (CVSS 9.8). Authentication Bypass by Alternate Name vulnerability in DTS Electronics Redline Router firmware allows Authentication Bypass. This issue affects Redline Router: before 7.17.

Q: How urgent is CVE-2023-1803?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-1803 is a critical-severity flaw (CVSS 9.8) affecting router firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Authentication Bypass by Alternate Name vulnerability in DTS Electronics Redline Router firmware allows Authentication Bypass. This issue affects Redline Router: before 7.17.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-289, CWE-287
Published	2023-04-14
Last modified	2026-06-17

Publisher (CNA): Computer Emergency Response Team of the Republic of Turkey · Vendor: redline

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

Am I affected?

Timeline

2023-04-14 14:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

redline router firmware UPGRADE

Affected: < 7.17

Fixed in: 7.17

Safe to downgrade to: no unaffected older release

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-2023-1803?

router firmware: upgrade to 7.17. Exact commands for each OS are on this page.

Is CVE-2023-1803 being exploited?

CVE-2023-1803 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-2023-1803 affect?

CVE-2023-1803 affects router firmware. Severity is critical (CVSS 9.8). Authentication Bypass by Alternate Name vulnerability in DTS Electronics Redline Router firmware allows Authentication Bypass. This issue affects Redline Router: before 7.17.

How urgent is CVE-2023-1803?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

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CVE-2025-2771 MEDIUM 5.3 MITIGATE BEC Technologies Multiple Routers Authentication Bypass Vulnerability
CVE-2025-2770 MEDIUM 6.5 MITIGATE BEC Technologies Multiple Routers Cleartext Password Storage Information Disclosure Vulnerability
CVE-2023-1833 CRITICAL 9.8 UPGRADE Authentication Bypass by Primary Weakness vulnerability in DTS Electronics Redline Router firmware allows Auth

References

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