Security readout for executives and security teams
Plain-English summary
This flaw lets an unauthenticated remote attacker take over certain Cisco Small Business RV routers through their web management interface. Successful exploitation can run code as root, meaning full device compromise. The bundle does not provide fixed firmware details or active exploitation evidence.
Executive priority
Urgent for any affected device with reachable management access. A successful attack can give root-level control of an edge router, threatening confidentiality, traffic integrity, and availability. Prioritize discovery, exposure reduction, and Cisco-guided remediation.
Technical view
CVE-2020-3323 is an improper input validation issue in the web-based management interface of Cisco RV110W, RV130, RV130W, and RV215W routers. Crafted HTTP requests can lead to arbitrary code execution as root. CVSS is 9.8, network-accessible, low complexity, no privileges, no user interaction.
Likely exposure
Exposure is most likely where affected router management interfaces are reachable from the internet, partner networks, guest networks, or broad internal segments. Organizations should verify whether these exact models exist and whether their management interfaces are accessible beyond trusted administration paths.
Exploitation context
The provided sources support unauthenticated remote code execution via crafted HTTP requests. The CVE is not listed as KEV in the bundle, and no cited source here confirms active exploitation. Do not assume exploitation is absent; treat exposed management interfaces as high risk.
Researcher notes
The bundle identifies affected models but does not provide version-level CPEs or fixed firmware details. Validation should stay defensive: model identification, management-plane exposure review, firmware comparison to Cisco guidance, and log review. Avoid assuming active exploitation without KEV or cited evidence.
Mitigation direction
- Inventory Cisco RV110W, RV130, RV130W, and RV215W routers.
- Check Cisco’s advisory for fixed firmware or official replacement guidance.
- Restrict web management access to trusted administration networks only.
- Remove internet exposure from affected management interfaces.
- Prioritize remediation for devices at branch, remote, or small-office edges.
Validation and detection
- Confirm whether listed Cisco RV models exist in asset inventory.
- Verify management interface reachability from untrusted networks.
- Check firmware status against Cisco’s advisory.
- Review administrative access logs for unexpected remote management activity.
- Document compensating controls where immediate remediation is not possible.
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-119: 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-2020-3323 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 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
9.8CriticalVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 20200715 Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote Command Execution VulnerabilityCVE 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.
Improper Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.