Security readout for executives and security teams
Plain-English summary
Cisco disclosed flaws in several Small Business RV routers that let a logged-in administrator remotely run commands as root or crash the device. The attacker needs valid Administrator credentials, which lowers likelihood, but root access and no Cisco software fix make exposed management interfaces a meaningful business risk.
Executive priority
Treat as a targeted administrative-control risk. It is not known to be actively exploited from the provided sources, but successful abuse gives root-level device control or outage, and Cisco has not provided a patch.
Technical view
The issue affects the web-based management interface of Cisco RV110W, RV130, RV130W, and RV215W routers. Insufficient validation of user fields in incoming HTTP packets can permit authenticated remote command execution or denial of service. Cisco states no software updates address these vulnerabilities.
Likely exposure
Exposure is most likely where affected routers are still deployed and their web management interface is reachable by administrators or networks where admin credentials could be abused. The source bundle does not confirm affected firmware ranges beyond the named router models.
Exploitation context
The sources require valid Administrator credentials and a crafted request to the web management interface. KEV status is false, and the provided sources do not report active exploitation or public weaponization.
Researcher notes
Key constraints are authenticated remote access and high privileges. The CVSS 3.1 score is 4.7 with AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L. Evidence is limited to Cisco and CVE records; no patched version or exploit-in-the-wild evidence is provided.
Mitigation direction
- Identify and prioritize all RV110W, RV130, RV130W, and RV215W routers.
- Review Cisco’s advisory for current vendor guidance before deciding remediation.
- Restrict management interface access to trusted administrative networks only.
- Rotate and tightly control Administrator credentials on affected devices.
- Plan replacement or removal where risk cannot be mitigated without a vendor patch.
Validation and detection
- Confirm whether any named Cisco RV router models remain in production.
- Verify management interfaces are not broadly reachable from untrusted networks.
- Review who has Administrator credentials for affected devices.
- Check device logs for unexpected restarts or suspicious admin activity.
- Document compensating controls because Cisco lists no software update.
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-2022-20880 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.
