Security readout for executives and security teams
Plain-English summary
CVE-2021-46835 affects WS7200-10 version 11.0.2.13 and may let an attacker hijack network packets. The rated impact is medium, focused on limited integrity loss rather than confidentiality or availability. The sources do not show active exploitation or broad product impact.
Executive priority
Treat this as a moderate operational risk for affected network equipment. It is not presented as actively exploited, but packet hijacking can undermine trust in local network traffic where affected devices remain exposed.
Technical view
The CVSS 3.1 vector is AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, scoring 4.3. The weakness is mapped to CWE-294. Successful exploitation can hijack packets, but the source bundle only names WS7200-10 11.0.2.13 and provides no exploit mechanics.
Likely exposure
Exposure appears limited to environments running WS7200-10 version 11.0.2.13. The adjacent-network attack vector means risk depends on who can reach the same local or wireless network segment. The bundle does not identify other affected products or versions.
Exploitation context
No CISA KEV listing is provided, and the source bundle contains no evidence of active exploitation. The adjacent-network requirement reduces internet-scale exposure but can still matter in shared, guest, branch, or poorly segmented networks.
Researcher notes
The evidence is sparse: one product/version, medium CVSS, CWE-294, and a Huawei advisory reference. Avoid assuming unauthenticated internet exploitation; CVSS specifies adjacent access. Confirm exact device role, firmware lineage, and vendor remediation from Huawei materials.
Mitigation direction
- Review the Huawei PSIRT advisory for approved update or configuration guidance.
- Prioritize vendor-recommended remediation where WS7200-10 11.0.2.13 is confirmed.
- Restrict local and wireless network access to affected devices.
- Segment guest and untrusted clients away from management and trusted traffic paths.
Validation and detection
- Inventory WS7200-10 devices and record firmware versions.
- Confirm whether any device runs version 11.0.2.13.
- Map who can access the same adjacent network segments.
- Check whether vendor remediation has been applied and documented.
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-294: 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-2021-46835 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
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N2.81.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220831-01-5370a6df-enCVE 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.
Authentication Bypass by Capture-replay
Authentication Bypass by Capture-replay represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.