CVE-2023-26802Dcbi-Netlog-Lab Firmware Path Traversal
An issue in the component /network_config/nsg_masq.cgi of DCN (Digital China Networks) DCBI-Netlog-LAB v1.0 allows attackers to bypass authentication and execute arbitrary commands via a crafted request.
Published Mar 26, 2023 · Updated May 5, 2025
Key Facts
Patch immediately- CVE-2023-26802 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Dcbi-Netlog-Lab Firmware (Dcnglobal).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Feb 1, 2023. A public exploit is reported by tracking sources, but no code link is listed yet.
- EPSS estimates a 49% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
49%
Higher than 98.8% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
41/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Feb 1, 2023
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Description
An issue in the component /network_config/nsg_masq.cgi of DCN (Digital China Networks) DCBI-Netlog-LAB v1.0 allows attackers to bypass authentication and execute arbitrary commands via a crafted request.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Feb 1, 2023 | n/a | Not reported |
| Industry KEV feed | Feb 1, 2023 | n/a | Not reported |
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Dcbi-Netlog-Lab FirmwareDcnglobal | 1.0 | n/a |
Timeline
Added to CIRCL KEV
Feb 1, 2023
Added to Industry KEV feed
Feb 1, 2023
Publicly disclosed
Mar 26, 2023
Last updated
May 5, 2025
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
An issue in the component /network_config/nsg_masq.cgi of DCN (Digital China Networks) DCBI-Netlog-LAB v1.0 allows attackers to bypass authentication and execute arbitrary commands via a crafted request.
Affected: Dcbi-Netlog-Lab Firmware (Dcnglobal) versions 1.0. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Feb 1, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
A public exploit is reported by tracking sources, but no code link is listed yet.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2023-26802 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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