Which versions of 777vr1 Firmware are affected by CVE-2026-2617?

Organizations using Beetel 777VR1 should be aware of moderate risk from CVE-2026-2617 rated CVSS 6.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2026-2617?

Yes, a public proof-of-concept exploit is available for CVE-2026-2617. Prioritise patching immediately. EPSS: 0.0%.

777vr1 Firmware CVE-2026-2617

Q: What is the CVSS score of CVE-2026-2617?

CVE-2026-2617 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Initialization of a Resource with an Insecure Default (CWE-1188)

2026-02-17 cna@vuldb.com

Information Disclosure 777vr1 Firmware

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 19, 2026 - 19:51 vuln.today

Public exploit code

CVE Published

Feb 17, 2026 - 16:20 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was found in Beetel 777VR1 up to 01.00.09. This affects an unknown function of the component Telnet Service/SSH Service. The manipulation results in insecure default initialization of resource. The attack can only be performed from the local network. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

The Beetel 777VR1 router's SSH/Telnet service contains insecure default initialization that allows local network attackers to achieve partial compromise of confidentiality, integrity, and availability. Public exploit code exists for this vulnerability, and the vendor has not released patches despite early notification. …

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Vulnerability AssessmentAI

Risk Assessment	CVSS 6.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this flaw, insecure default initialization of resource.
Remediation	Monitor vendor advisories for a patch. Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems running Beetel 777VR1 and apply vendor patches as part of regular patch cycle. …

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CVE-2026-2617 vulnerability details – vuln.today

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