What is the CVSS score of CVE-2022-25008?

CVE-2022-25008 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 4.3%.

Is there a public PoC exploit available for CVE-2022-25008?

Yes, a public proof-of-concept exploit is available for CVE-2022-25008. Prioritise patching immediately. EPSS: 4.3%.

Ex1200t Firmware CVE-2022-25008

HIGH

Missing Authentication for Critical Function (CWE-306)

2022-03-30 cve@mitre.org

Authentication Bypass Ex1200t Firmware TOTOLINK Ex300 V2 Firmware

8.8

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-306 OWASP Top 10:2025 A07:2025 - Authentication Failures ASVS 5.0 V6 - Authentication Authentication required for critical functions MITRE ATT&CK 1 technique across 1 tactic: Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 8.8 (HIGH). Attack characteristics: adjacent network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to access critical functionality without authentication. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 4.3% exploitation probability (EPSS)

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AnalysisAI

totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism. Affected products include: Totolink Ex300 V2 Firmware, Totolink Ex1200T Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionNVD

totolink EX300_v2 V4.0.3c.140_B20210429 and EX1200T V4.1.2cu.5230_B20210706 does not contain an authentication mechanism.

Threat Intelligence Overview

EPSS Score

4.3%

Top 10% exploitable

Exploit

POC

Public exploit code exists

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC Yes

EPSS 4.3%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

Poc

System Exposure· derived

Controlled

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +4

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:o:totolink:ex300_v2_firmware:4.0.3c.140_b20210429:*:*:*:*:*:*:*

cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5230_b20210706:*:*:*:*:*:*:*

More in Ex1200t Firmware

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CVE-2023-52032 CRITICAL Emergency POC

9.8 Jan 11

TOTOlink EX1200T V4.1.2cu.5232_B20210713 was discovered to contain a remote command execution (RCE) vulnerability via th

CVE-2021-42872 CRITICAL Act Now POC

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TOTOLINK EX1200T V4.1.2cu.5215 is affected by a command injection vulnerability that can remotely execute arbitrary code

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TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the s

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TOTOLINK EX1200T V4.1.2cu.5232_B20210713 was found to contain a pre-auth remote command execution vulnerability in the s

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TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in the function setDiagnosisCfg of the

CVE-2025-5600 CRITICAL Act Now POC

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Buffer overflow in TOTOLINK EX1200T via setLanguageCfg. EPSS 0.52%. PoC available.

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8.8 Jun 06

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Critical buffer overflow vulnerability in TOTOLINK EX1200T wireless router (firmware version 4.1.2cu.5232_B20210713) aff

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