Security readout for executives and security teams
Plain-English summary
This affects older Cisco Small Business RV110W, RV130, RV130W, and RV215W routers. An attacker with valid administrator credentials could abuse the web management interface to run commands with root privileges or restart the device. Cisco says it has not released software updates for these vulnerabilities.
Executive priority
Treat this as a moderate-priority legacy network-device risk. The attacker needs admin credentials, but successful compromise gives root-level control or can disrupt connectivity. Because Cisco reports no software updates, prioritize exposure reduction, credential control, and device replacement planning.
Technical view
The vulnerabilities are in the web-based management interface and stem from insufficient validation of user fields in incoming HTTP packets. Exploitation requires network access to the management interface and valid Administrator credentials. Successful exploitation can produce root-level command execution or denial of service through unexpected restart.
Likely exposure
Exposure is most likely where affected Cisco Small Business RV routers remain deployed and their web management interface is reachable by administrators over a network. Risk is lower than unauthenticated RCE because valid Administrator credentials are required, but impact is significant if credentials are compromised.
Exploitation context
The supplied sources do not show CISA KEV listing or active exploitation. The known path requires authenticated administrative access and a crafted request to the web-based management interface. No exploit code or public exploitation evidence is provided in the source bundle.
Researcher notes
The record lists CWE-120 and CVSS 3.1 score 4.7. The key constraint is PR:H, but impact spans confidentiality, integrity, and availability at low levels. The bundle does not provide fixed versions, workarounds, PoC details, or evidence of exploitation in the wild.
Mitigation direction
- Check Cisco advisory for current vendor guidance and product status.
- Inventory and replace affected routers where feasible, because Cisco lists no software updates.
- Restrict web management access to trusted administrative networks only.
- Review and harden Administrator credentials on affected devices.
- Monitor affected routers for unexpected restarts or suspicious administrator activity.
Validation and detection
- Identify any RV110W, RV130, RV130W, or RV215W devices in asset inventory.
- Confirm whether web-based management is reachable from untrusted networks.
- Verify who holds Administrator credentials for each affected device.
- Check device logs for unexpected restarts or unusual administrator sessions.
- Document replacement or isolation status for each affected router.
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-2022-20882 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.