Security readout for executives and security teams
Plain-English summary
CVE-2025-50753 affects Mitrastar GPT-2741GNAC-N2 devices. A restricted SSH shell can be abused to obtain a root shell, turning limited device access into full administrative control. Public data does not identify affected firmware versions or a vendor fix.
Executive priority
Treat as high priority for networks using this model. Full device compromise could affect connectivity, monitoring, and downstream trust. Prioritize inventory, SSH exposure reduction, and vendor guidance review while awaiting clearer affected-version and patch information.
Technical view
The CVE describes improper privilege management in the device’s restricted shell. A file-display command accepts an argument that can escape the intended restrictions and spawn a root shell. CVSS is 8.4 High, with confidentiality, integrity, and availability impacts rated high. Affected version data is not provided.
Likely exposure
Exposure is most likely where Mitrastar GPT-2741GNAC-N2 devices permit SSH access to the restricted shell, especially on management networks reachable by untrusted users. The CVE record lists affected vendor, product metadata, and versions as unavailable, so inventory confirmation is required.
Exploitation context
The public description indicates exploitation occurs after access to the device’s SSH restricted shell. CISA KEV status is false in the provided bundle, and no cited source confirms active exploitation. A public gist is referenced, increasing disclosure risk, but exploitation status remains unconfirmed.
Researcher notes
Evidence is limited to the CVE description and a referenced public gist. The CVSS vector lists local attack vector with no privileges, while the narrative mentions SSH restricted-shell access; this inconsistency should be resolved during validation. No official patch information is present in the provided sources.
Mitigation direction
- Check Mitrastar or service-provider guidance for firmware updates or configuration advisories.
- Restrict SSH management access to trusted administrative networks only.
- Disable unnecessary SSH access if operationally feasible.
- Review device accounts and remove unused or default access paths.
- Monitor affected devices for unexpected administrative sessions or configuration changes.
Validation and detection
- Identify whether GPT-2741GNAC-N2 devices exist in the environment.
- Confirm whether SSH management access is enabled on those devices.
- Review firmware and configuration against vendor or provider guidance.
- Check logs for restricted-shell sessions followed by privileged activity.
- Verify management interfaces are not exposed to untrusted networks.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-250: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-50753 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H2.55.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
8.4HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://gist.github.com/geraldog/2d07fdedbbb79d822e9df4b75f882a63CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Execution with Unnecessary Privileges
Execution with Unnecessary Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.