Security readout for executives and security teams
Plain-English summary
This flaw affects several Cisco Small Business RV routers and can let someone with valid Administrator credentials run commands as root or crash the device through the web management interface. Cisco says it has not released software updates for these vulnerabilities. The main business issue is risk from compromised or misused admin access on unsupported network edge devices.
Executive priority
Handle as a moderate-priority network edge risk. It is not reported as actively exploited and requires admin credentials, but the lack of a Cisco software fix makes replacement planning and management-access hardening important.
Technical view
The vulnerabilities are in the web-based management interface of Cisco RV110W, RV130, RV130W, and RV215W routers. Insufficient validation of user fields in incoming HTTP packets can allow authenticated remote command execution with root privileges or denial of service. CVSS is 4.7 because exploitation requires high privileges and no user interaction.
Likely exposure
Exposure is limited to organizations still running the named Cisco Small Business RV models with reachable web management and active Administrator accounts. Internet-facing or broadly reachable management interfaces increase operational concern, but the source bundle does not confirm exposure data or active scanning.
Exploitation context
The provided sources do not report active exploitation, and KEV status is false. Exploitation requires valid Administrator credentials. Successful exploitation could lead to root-level command execution or unexpected router restarts, affecting confidentiality, integrity, and availability at the network edge.
Researcher notes
Evidence supports authenticated remote command execution and DoS through crafted HTTP requests to the management interface. Do not assume unauthenticated exploitation or public exploit activity from this bundle. The key validation questions are model presence, management reachability, and privileged account control.
Mitigation direction
- Check the Cisco advisory for current vendor guidance before making production changes.
- Inventory RV110W, RV130, RV130W, and RV215W routers in use.
- Prioritize replacement or retirement because Cisco lists no software updates for this issue.
- Restrict web management access to necessary trusted administrators only.
- Review Administrator accounts and remove unused or shared credentials.
Validation and detection
- Confirm whether any named RV router models remain deployed.
- Verify management interfaces are not reachable from untrusted networks.
- Review administrator account inventory for unnecessary privileged access.
- Check change records for router replacement or retirement plans.
- Monitor Cisco advisory updates for any revised guidance.
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-120: 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-2022-20885 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
- Medium
- CVSS
- 4.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
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:H/UI:N/S:U/C:L/I:L/A:L1.23.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.7MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- 20220720 Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service VulnerabilitiesCVE reference · vendor-advisory, x_refsource_CISCO
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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
