Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2025-45986: Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300 v1.2.3, BL-F1200_AT1 v1.0

66
This week
CRITICAL 9.8REMOTEMITIGATEMITIGATEMITIGATE

CVE-2025-45986 is a critical-severity flaw (CVSS 9.8) affecting bl-x10 ac8 firmware, bl-lte300 firmware, bl-wr9000 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300 v1.2.3, BL-F1200_AT1 v1.0.0, BL-X26_AC8 v1.2.8, BLAC450M_AE4 v4.0.0 and BL-X26_DA3 v1.2.7 werediscovered to contain a command injection vulnerability via the mac parameter in the bs_SetMacBlack function.

Why this priority

  • Critical severity
  • Public exploit reference
  • CISA SSVC: automatable with total technical impact
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance1.6% (top 24%)
CISA exploited listNo
WeaknessCWE-77
Published2025-06-13
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: b-link

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

b-link bl-x10 ac8 firmware MITIGATE
Affected: 1.0.5
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.0.5
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.
b-link bl-lte300 firmware MITIGATE
Affected: 1.2.3
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.2.3
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.
b-link bl-wr9000 firmware MITIGATE
Affected: 2.4.9
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.4.9
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.
b-link bl-ac2100 az3 firmware MITIGATE
Affected: 1.0.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.0.4
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.
b-link blac450m ae4 firmware MITIGATE
Affected: 4.0.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.0.0
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.
b-link bl-x26 da3 firmware MITIGATE
Affected: 1.2.7
Fixed in: no fixed release known
Safe to downgrade to: a release before 1.2.7
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

A distro patch exists: prefer upgrading over downgrading.
Fedora 46 · opensips · FIXED · 4.0.3-1.fc46 · FEDORA-2026-6700a0026c · source
sudo dnf upgrade --advisory=FEDORA-2026-6700a0026c
Fedora ELN · ibus-typing-booster · FIXED · 2.31.3-1.eln159 · FEDORA-2026-c895c68d60 · source
sudo dnf upgrade --advisory=FEDORA-2026-c895c68d60

Public exploits and detection

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

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-2025-45986?

bl-x10 ac8 firmware: mitigate or apply the listed mitigation; bl-lte300 firmware: mitigate or apply the listed mitigation; bl-wr9000 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-45986 being exploited?

CVE-2025-45986 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-2025-45986 affect?

CVE-2025-45986 affects bl-x10 ac8 firmware, bl-lte300 firmware, bl-wr9000 firmware. Severity is critical (CVSS 9.8). Blink routers BL-WR9000 V2.4.9 , BL-AC2100_AZ3 V1.0.4, BL-X10_AC8 v1.0.5 , BL-LTE300 v1.2.3, BL-F1200_AT1 v1.0.0, BL-X26_AC8 v1.2.8, BLAC450M_AE4 v4.0.0 and BL-X26_DA3 v1.2.7 werediscovered to contain a command injection vulnerability via t

How urgent is CVE-2025-45986?

Priority 66/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Related CVEs

References

← Back to latest CVEs

Get the weekly exploited-CVE digest by emailThe CVEs being attacked this week and how to fix them. No spam, unsubscribe any time.