Security readout for executives and security teams
Plain-English summary
This flaw can let an unauthenticated attacker disrupt Wi-Fi service on specific ASUS router models by triggering client disconnections. The documented impact is availability loss, not data theft or router takeover. Business urgency is usually low, but it matters where these routers support critical, customer-facing, or operational Wi-Fi.
Executive priority
Handle through normal vulnerability management unless affected routers support critical operations. Prioritize customer-facing, healthcare, industrial, or site-connectivity use cases where Wi-Fi disruption has direct business impact.
Technical view
CVE-2021-37910 is a CWE-799 improper interaction-frequency control issue in ASUS WPA2 and WPA3-SAE handling. The source states unauthenticated crafted SAE authentication frames can disconnect other users. CVSS 3.1 is 3.7 low: network attack vector, high complexity, no privileges, no user interaction, availability low, no confidentiality or integrity impact.
Likely exposure
Exposure is limited to listed ASUS models: GT-AXE11000, RT-AX3000, RT-AX55, RT-AX58U, and TUF-AX3000. The source bundle does not specify affected firmware versions, so asset owners must verify model and firmware status against vendor or TWCERT guidance.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. The described attack causes Wi-Fi disconnections using specially crafted SAE authentication frames. Evidence supports denial-of-service risk only; it does not support credential theft, code execution, or persistent compromise.
Researcher notes
The bundle provides model names and vulnerability behavior but not firmware ranges or a named patch. Treat version exposure as unresolved until vendor guidance is checked. Do not infer broader ASUS impact beyond the listed products.
Mitigation direction
- Inventory the listed ASUS router models in business and remote-office networks.
- Check ASUS or TWCERT guidance for fixed firmware and supported versions.
- Apply vendor-provided firmware updates where available.
- Prioritize locations where Wi-Fi disruption affects operations or customers.
- Replace or retire affected devices if no supported fix is available.
Validation and detection
- Confirm whether deployed routers match the affected ASUS model list.
- Record current firmware versions and compare them with vendor guidance.
- Review wireless logs for unusual authentication or repeated disconnect patterns.
- After remediation, confirm clients remain connected under normal Wi-Fi use.
- Document any devices awaiting vendor guidance or replacement.
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-799: 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 lookupCVE-2021-37910 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
- Low
- CVSS
- 3.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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:H/PR:N/UI:N/S:U/C:N/I:N/A:L2.21.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
3.7LowVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.twcert.org.tw/tw/cp-132-5259-22a26-1.htmlCVE reference · x_refsource_MISC
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 Control of Interaction Frequency
Improper Control of Interaction Frequency represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.