Security readout for executives and security teams
Plain-English summary
This CVE describes a critical flaw in OpenMPTCProuter through version 0.64. The reported impact is severe: an unauthenticated network attacker may be able to write arbitrary files or execute arbitrary commands. For executives, exposed router or edge-network deployments should be treated as urgent until fixed guidance is confirmed.
Executive priority
Treat as an urgent edge-device risk. Prioritize internet-facing or remotely managed OpenMPTCProuter systems first, because the reported conditions require no authentication or user interaction.
Technical view
The source bundle identifies CWE-78 in sys-upgrade-helper, specifically sysupgrade.c in create_xor_ipad_opad. CVSS 3.1 is 9.8 with network attack vector, low complexity, no privileges, and no user interaction. The bundle does not provide affected CPEs or a confirmed fixed release version.
Likely exposure
Organizations are most likely exposed if they run OpenMPTCProuter version 0.64 or earlier, especially where management, upgrade, or router services are reachable from untrusted networks.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not prove active exploitation. The description indicates potential arbitrary file write or command execution, which is high-impact, but operational exploit details are not established in the bundle.
Researcher notes
Evidence is limited to the CVE description and two references. Affected product metadata is incomplete in the bundle, and no fixed release is explicitly named. Validate against upstream code history and vendor release notes before asserting remediation status.
Mitigation direction
- Inventory OpenMPTCProuter deployments and identify versions through 0.64.
- Check OpenMPTCProuter vendor guidance and the referenced commit for fixed builds.
- Apply the vendor-supported fixed release when confirmed available.
- Restrict router management and upgrade access to trusted administrators only.
- Monitor affected systems for unexpected configuration or file changes.
Validation and detection
- Confirm whether any deployed image is OpenMPTCProuter 0.64 or earlier.
- Verify whether sys-upgrade-helper is present in deployed builds.
- Check whether the referenced upstream commit is included in the running image.
- Review router logs for unusual upgrade activity or command execution indicators.
- Document externally reachable management or upgrade interfaces for prioritization.
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-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. 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-2025-65882 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/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:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/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://github.com/Ysurac/openmptcprouter/commit/09393d1c41a227bea7d5b85c0a06221b1302b25fCVE reference, mitre
- https://gist.github.com/AradCohen/939ee50d60c4d2bd555a364615a5ab9cCVE 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.