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CVE-2025-7851

Unauthorized root access via debug functionality

No known exploitation. EPSS puts it in the 52nd percentile. Fixed versions are out.

CVSS 3.19.8CriticalEPSS percentile52nd0.7% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix5 products11 fixed builds listed below

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • TP-Link Systems Inc. Omada gatewaysAffected: < ER8411 1.3.3Upgrade to: ER8411 1.3.3Affected: < ER7412-M2 1.1.0Upgrade to: ER7412-M2 1.1.0Affected: < ER707-M2 1.3.1Upgrade to: ER707-M2 1.3.1Affected: < ER7206 2.2.2Upgrade to: ER7206 2.2.2 + 4 more branchesStated by: CVE record
  • TP-Link Systems Inc. Festa gatewaysAffected: < FR365 1.1.10Upgrade to: FR365 1.1.10Affected: < FR205 1.0.3Upgrade to: FR205 1.0.3Affected: < FR307 1.2.5Upgrade to: FR307 1.2.5Stated by: CVE record
  • TP-Link Systems Inc. Omada Pro gatewaysAffected: < G36 1.1.4Upgrade to: G36 1.1.4Affected: < G611 1.2.2Upgrade to: G611 1.2.2Stated by: CVE record
  • Tp-link Fr307-m2 FirmwareAffected: < 1.2.5Upgrade to: 1.2.5Stated by: NVD
  • Tp-link Fr205 FirmwareAffected: < 1.0.3Upgrade to: 1.0.3Stated by: NVD

Versions as the sources state them. 11 more products have version data. Full version matrix after sign-in

Is your organisation exposed?Request an assessment to establish which checks fit your systems.

Coverage timeline

2 publishers

  1. Technical analysis published

    ·Хакер (xakep.ru) summary

Sourced from public security reporting — each date is when it was published, not when it happened. 2 further articles named this CVE in wider roundups without reporting it as a distinct event.

What it is

From the CVE record

An attacker may obtain the root shell on the underlying OS system with the restricted conditions on Omada gateways.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS52nd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.7% chance of exploitation activity in the next 30 days, which ranks it in the 52nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 362 days, from the signal feeds we watch.

  1. Patch availablerecord updated
  2. Patch availablerecord updated
  3. Publishedweakness classified, att&ck mapped

Affected products

And 5 more affected products. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Scored 9.8 by NVD.

How it is reached

  • Attack Vector NetworkExploitable remotely over the network without any special conditions
  • Attack Complexity LowNo special conditions — the attack can be reliably reproduced
  • Privileges Required NoneNo authentication required — anyone can exploit this
  • User Interaction NoneNo user interaction needed — fully automated exploitation

Scope

  • Scope UnchangedImpact is limited to the vulnerable component itself

Impact if exploited

  • Confidentiality HighTotal information disclosure — all data in the component is compromised
  • Integrity HighTotal loss of integrity — attacker can modify any data in the component
  • Availability HighTotal denial of service — the component is completely unavailable

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

And 2 more references. See all after sign-in

In the news

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

We'll flag the next CVE, public exploit or patch for Fr307-m2 Firmware, not every advisory.