CVE-2025-55976: Intelbras IWR 3000N 1.9.8 exposes the Wi-Fi password in plaintext via the /api/wireless endpoint

Q: How do I fix CVE-2025-55976?

iwr 3000n firmware: upgrade to newer than 1.9.8. Exact commands for each OS are on this page.

Q: Is CVE-2025-55976 being exploited?

CVE-2025-55976 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-2025-55976 affect?

CVE-2025-55976 affects iwr 3000n firmware. Severity is high (CVSS 8.4). Intelbras IWR 3000N 1.9.8 exposes the Wi-Fi password in plaintext via the /api/wireless endpoint. Any unauthenticated user on the local network can directly obtain the Wi-Fi network password by querying this endpoint.

Q: How urgent is CVE-2025-55976?

Priority 57/100. High severity; Public exploit reference

This month

HIGH 8.4UPGRADE

CVE-2025-55976 is a high-severity flaw (CVSS 8.4) affecting iwr 3000n firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Intelbras IWR 3000N 1.9.8 exposes the Wi-Fi password in plaintext via the /api/wireless endpoint. Any unauthenticated user on the local network can directly obtain the Wi-Fi network password by querying this endpoint.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.4 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.5% (top 11%)
CISA exploited list	No
Weakness	CWE-200, CWE-319
Published	2025-09-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: intelbras

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

Am I affected?

Timeline

2025-09-10 18:15 UTCPublished CVE record published
2026-06-17 09:42 UTCUpdated Record last modified

intelbras iwr 3000n firmware UPGRADE

Affected: <= 1.9.8

Fixed in: newer than 1.9.8

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.

Exact fixes by distribution

Fedora 46 · pipx · FIXED · 1.18.9-1.fc46 · FEDORA-2026-95305954ab · source

sudo dnf upgrade --advisory=FEDORA-2026-95305954ab

Fedora ELN · libisds · FIXED · 0.11.2-19.eln159 · FEDORA-2026-bf61b68668 · source

sudo dnf upgrade --advisory=FEDORA-2026-bf61b68668

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: medium.com/@windsormoreira/intelbras-iwr-3000n-unauthenticated-wi-fi-password-disclosure-c

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-2025-55976?

iwr 3000n firmware: upgrade to newer than 1.9.8. Exact commands for each OS are on this page.

Is CVE-2025-55976 being exploited?

CVE-2025-55976 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-2025-55976 affect?

CVE-2025-55976 affects iwr 3000n firmware. Severity is high (CVSS 8.4). Intelbras IWR 3000N 1.9.8 exposes the Wi-Fi password in plaintext via the /api/wireless endpoint. Any unauthenticated user on the local network can directly obtain the Wi-Fi network password by querying this endpoint.

How urgent is CVE-2025-55976?

Priority 57/100. High severity; Public exploit reference

Software pages

Wi-Fi vulnerabilities

References

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