What is the CVSS score of CVE-2026-2068?

CVE-2026-2068 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for CVE-2026-2068?

Yes, a public proof-of-concept exploit is available for CVE-2026-2068. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2026-2068?

Within 24 hours: Identify and inventory all UTT 进取 520W 1.7.7-180627 devices in your network; disable remote access to affected devices if operationally feasible; restrict network access to the /goform/formSyslogConf endpoint via firewall rules. Within 7 days: Implement network segmentation to isolate affected devices; deploy WAF rules to block malicious requests to vulnerable endpoints; monitor logs for exploitation attempts. Within 30 days: Contact UTT for patch availability and deployment timeline; evaluate device replacement or upgrade options; consider migrating critical functions to patched alternative equipment.

520w Firmware CVE-2026-2068

HIGH

Buffer Overflow (CWE-119)

2026-02-06 cna@vuldb.com

Buffer Overflow 520w Firmware Utt

8.8

CVSS 3.1 · NVD

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Authenticate to UTT device
Delivery

Access /goform/formSyslogConf endpoint
Exploit

Inject oversized ServerIp parameter
Execution

Trigger strcpy buffer overflow
Impact

Execute arbitrary code with device privileges

Vulnerability Assessment

Weakness	CWE CWE-119 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V15 - Secure Coding and Architecture Bounds checking, buffer size validation MITRE ATT&CK 2 techniques across 2 tactics: Execution, Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Exploitation Conditions	UTT 进取 520W firmware version 1.7.7-180627 with Syslog configuration interface accessible. Valid login credentials required (PR:L). Remote unauthenticated access not possible due to authentication requirement.
Impact	CVSS 8.8 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via remote/network. Public exploit/POC available.
Exploit ScenarioDerived	A remote attacker could exploit this flaw, buffer overflow.

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

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Remote code execution in UTT 520W firmware 1.7.7-180627 allows authenticated attackers to execute arbitrary code via a buffer overflow in the ServerIp parameter of the /goform/formSyslogConf endpoint. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor despite early disclosure attempts. The attack requires network access and valid credentials but executes with full system privileges.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:54 CVSS 8.8

A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. [CVSS 8.8 HIGH]

RemediationAI

Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible. Restrict network access to the affected service where possible.

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

Classified as CWE-119 (Buffer Overflow). Affects 520W Firmware. A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. The manipulation of the argument ServerIp results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

PoC Detected

Feb 13, 2026 - 18:56 vuln.today

Public exploit code

CVE Published

Feb 06, 2026 - 22:16 nvd

HIGH 8.8

DescriptionCVE.org

A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. The manipulation of the argument ServerIp results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Executive ViewAI

Why It Matters

A high-severity buffer overflow vulnerability (CVE-2026-2068) affecting UTT 进取 520W devices version 1.7.7-180627 poses a critical risk to organizations using this equipment, as active exploits are publicly available and no patch has been released. Attackers can remotely execute arbitrary code through the syslog configuration function, potentially compromising network infrastructure and enabling unauthorized access to sensitive systems.

Business Impact: High

Compensating Controls

Implement network access controls restricting access to affected devices; deploy Web Application Firewall (WAF) rules to block requests to /goform/formSyslogConf endpoint; disable syslog configuration functionality if not operationally required; isolate affected devices on separate network segments with strict egress filtering; monitor for suspicious process execution and network connections on affected systems; consider blocking inbound connections to management interfaces until patch is available.

Threat Intelligence Overview

EPSS Score

0.1%

Top 74% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

VulDB

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 0.1%

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

Open

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.