Security readout for executives and security teams
Plain-English summary
This issue affects MikroTik RouterOS versions before stable v7.6. A flaw in the SNMP process can let an attacker send a crafted network packet and potentially run code on the router. Because routers sit at network boundaries, successful compromise could affect traffic, availability, and downstream systems.
Executive priority
Treat this as urgent for MikroTik routers because the reported impact is remote code execution on network infrastructure. Prioritize exposed SNMP services and critical network locations first.
Technical view
CVE-2022-45315 is a CWE-125 out-of-bounds read in the RouterOS SNMP process before stable v7.6. The supplied description says authenticated attackers can execute arbitrary code using a crafted packet, while the CVSS vector lists PR:N. Treat attacker requirements as unclear until verified with vendor guidance.
Likely exposure
Organizations running MikroTik RouterOS before stable v7.6 are potentially exposed, especially where SNMP is reachable from untrusted or broad network segments. The bundle does not identify specific hardware models or configurations beyond RouterOS.
Exploitation context
The CVE is not listed as CISA KEV in the provided bundle. A public GitHub advisory reference is listed, but the supplied evidence does not prove active exploitation in the wild.
Researcher notes
Key uncertainty: the supplied description says authenticated attackers, but the CVSS vector is PR:N. Do not assume unauthenticated reachability without confirming primary advisory details. No affected model list is provided.
Mitigation direction
- Upgrade affected RouterOS systems to stable v7.6 or later.
- Check MikroTik guidance for supported fixed versions and upgrade paths.
- Restrict SNMP reachability to trusted management networks where operationally possible.
- Review SNMP accounts, communities, and monitoring integrations for unnecessary exposure.
- Prioritize internet-facing or broadly reachable routers first.
Validation and detection
- Inventory MikroTik RouterOS devices and record exact versions.
- Confirm whether each device runs a version before stable v7.6.
- Identify where SNMP is enabled and which networks can reach it.
- Check perimeter rules for SNMP exposure from untrusted networks.
- After upgrade, verify RouterOS reports v7.6 or later.
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-125: 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-45315 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.
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:H3.95.9Primary CVE scoreVulnerability 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
Source materials
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.
Out-of-bounds Read
Out-of-bounds Read represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.