777VR1: Initialization of a Resource with an Insecure Default
CVE-2026-2617 is a high-severity initialization of a resource with an insecure default vulnerability in 777VR1 from Beetel, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited from the same local network by an unauthenticated attacker, without any action from a user. Affected 777VR1 versions: 01.00.09. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.61% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of 777VR1 you run against the affected versions below, and install the vendor's latest release.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Beetel | 777VR1 | 01.00.09 | Not stated |
| Beetel | 777vr1 Firmware | 01.00.09_55 and earlier | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- AdjacentThe attacker must be on the same local network segment.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 2.1 | Low | CNA (vuldb.com) |
| CVSS 3.1 | 6.3 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 8.8 | High | NVD |
| CVSS 2.0 | 5.8 | Medium | CNA (vuldb.com) |
Official description
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.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Initialization of a Resource with an Insecure Default
The product initializes or sets a resource with a default that is intended to be changed by the product's installer, administrator, or maintainer, but the default is not secure.
More Initialization of a Resource with an Insecure Default vulnerabilities (CWE-1188)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vuldb.com/?id.346267Third Party Advisory, VDB Entry
Technical write-ups (may include proof of concept)
- gist.github.com/raghav20232023/39e3d88d1bc2bcef89bb0f3b5fbb73e0Exploit, Third Party Advisory
- gist.github.com/raghav20232023/39e3d88d1bc2bcef89bb0f3b5fbb73e0#proofsteps-to-reproduceExploit, Third Party Advisory
- vuldb.com/?submit.751436Exploit, Third Party Advisory, VDB Entry
- vuldb.com/?submit.751568Exploit, Third Party Advisory, VDB Entry
Other references
- vuldb.com/?ctiid.346267Permissions Required, VDB Entry
Other vulnerabilities in 777VR1
- 7.4 High severity
- 9.8 Critical severity
Recent Initialization of a Resource with an Insecure Default vulnerabilities
- 9.3 Critical severity
- 9.8 Critical severity
- 7.8 High severity
- 7.3 High severity
- 8.1 High severity
- 8.1 High severity
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