Poly VVX 601 Diagnostic Telnet Mode os command injection
A vulnerability, which was classified as critical, has been found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60, CCX 350, CCX 400, CCX 500, CCX 505, CCX 600, CCX 700, EDGE E100, EDGE E220, EDGE E300, EDGE E320, EDGE E350, EDGE E400, EDGE E450, EDGE E500, EDGE E550, VVX 101, VVX 150, VVX 201, VVX 250, VVX 300, VVX 301, VVX 310, VVX 311, VVX 350, VVX 400, VVX 401, VVX 410, VVX 411, VVX 450, VVX 500, VVX 501, VVX 600 and VVX 601. This issue affects some unknown processing of the component Diagnostic Telnet Mode. The manipulation leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. The identifier VDB-249257 was assigned to this vulnerability.
- Published
- Dec 29, 2023
- Updated
- Jun 17, 2026
- EPSS
- 3.3% · 88th percentile
- CWE
- CWE-78
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Report tools
Action score
29
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 3.3%
CNA vs NVD score
- NVD
- 7.2
- CNA · VulDB
- 7.2
- agree
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| poly | ccx 400 firmware | cpe:2.3:o:poly:ccx_400_firmware |
| poly | ccx 400 | cpe:2.3:h:poly:ccx_400 |
| poly | ccx 600 firmware | cpe:2.3:o:poly:ccx_600_firmware |
| poly | ccx 600 | cpe:2.3:h:poly:ccx_600 |
| poly | trio 8800 firmware | cpe:2.3:o:poly:trio_8800_firmware |
| poly | trio 8800 | cpe:2.3:h:poly:trio_8800 |
| poly | trio c60 firmware | cpe:2.3:o:poly:trio_c60_firmware |
| poly | trio c60 | cpe:2.3:h:poly:trio_c60 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- poly ccx 400 firmwareall versions
- poly ccx 600 firmwareall versions
- poly trio 8800 firmwareall versions
- poly trio c60 firmwareall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
Poly CCX 350
- n/aaffected
Poly CCX 400
- n/aaffected
Poly CCX 500
- n/aaffected
Poly CCX 505
- n/aaffected
Poly CCX 600
- n/aaffected
Poly CCX 700
- n/aaffected
Poly EDGE E100
- n/aaffected
Poly EDGE E220
- n/aaffected
Poly EDGE E300
- n/aaffected
Poly EDGE E320
- n/aaffected
Poly EDGE E350
- n/aaffected
Poly EDGE E400
- n/aaffected
Same product
poly: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-4463Poly CCX 400/CCX 600/Trio 8800/Trio C60 HTTP Header denial of service30Monitor
- CVE-2023-4465Poly VVX 601 Configuration File Import unverified password change26Monitor
- CVE-2023-4462Poly VVX 601 Web Configuration Application random values23Monitor
- CVE-2023-4466Poly CCX 400/CCX 600/Trio 8800/Trio C60 Web Interface protection mechanism19Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- Christoph Wolfffinder
- Pascal Zenkerfinder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Root cause
User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.
The bug in code
The whole CWE-78 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
const host = req.body.host;exec("ping -c 1 " + host, onResult);Fixed
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Command Line Execution through SQL InjectionCAPEC-108likelihood: Low · Very High
- Command DelimitersCAPEC-15likelihood: High · High
- Exploiting Multiple Input Interpretation LayersCAPEC-43likelihood: Medium · High
- Argument InjectionCAPEC-6likelihood: High · High
- OS Command InjectionCAPEC-88likelihood: High · High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- fahrplan.events.ccc.de/congress/2023/fahrplan/events/11919.html
- github.com/modzero/MZ-23-01-Poly-VoIP-Devices
- modzero.com/en/advisories/mz-23-01-poly-voip/
- support.hp.com/us-en/document/ish_9931565-9931594-16/hpsbpy03898
- vuldb.com/?ctiid.249257
- vuldb.com/?id.249257
Vendor advisories and official records. Exploit/PoC links are deliberately left out.