Security readout for executives and security teams
Plain-English summary
CVE-2020-28347 is a remote code execution flaw in tdpServer on TP-Link Archer A7 AC1750 devices before 201029. A remote attacker could run arbitrary code through mishandling of the slave_mac parameter. The record says this resulted from an incomplete fix for CVE-2020-10882.
Executive priority
Treat this as a high-priority network-device exposure if Archer A7 routers are present. Remote code execution on routers can affect traffic control and perimeter trust, but urgency depends on confirmed model, firmware, and reachability.
Technical view
The issue is command execution in tdpServer tied to shell quote handling around slave_mac. The CVE record identifies TP-Link Archer A7 AC1750 before 201029, but provides no CVSS score, CWE, CPE, or vendor remediation detail in the supplied bundle.
Likely exposure
Exposure is most likely where TP-Link Archer A7 AC1750 routers run firmware before 201029 and expose the vulnerable tdpServer attack surface. The supplied data does not define exact CPEs, deployment prerequisites, or whether internet exposure is required.
Exploitation context
The CVE is not listed as KEV in the supplied bundle. Public advisory and exploit-framework references are included, so defenders should assume technical details are publicly available. The provided evidence does not support a claim of active exploitation.
Researcher notes
The description ties this to an incomplete CVE-2020-10882 fix and shell quote mishandling. The bundle lacks CVSS, CWE, CPE, and official patch detail, so validation should stay focused on model, firmware threshold, and exposed tdpServer surface.
Mitigation direction
- Identify TP-Link Archer A7 AC1750 devices in inventory.
- Check firmware build against 201029 or later vendor guidance.
- Apply TP-Link firmware updates if available from official channels.
- Restrict untrusted network access to router management and discovery services.
- Monitor vendor advisories for this CVE and related CVE-2020-10882 guidance.
Validation and detection
- Confirm model and firmware version on each Archer A7 device.
- Review whether tdpServer is reachable from untrusted networks.
- Check security monitoring for unusual router process or command activity.
- Verify remediation against official TP-Link release notes or advisories.
- Track any devices that cannot be upgraded as exceptions.
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.
Execution 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-2020-28347 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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 and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2020/minesweeper.mdCVE reference · x_refsource_MISC
- https://github.com/rdomanski/Exploits_and_Advisories/blob/master/advisories/Pwn2Own/Tokyo2020/minesweeper.mdCVE reference · x_refsource_MISC
- https://github.com/pedrib/PoC/blob/master/advisories/Pwn2Own/Tokyo_2019/lao_bomb/lao_bomb.mdCVE reference · x_refsource_MISC
- https://github.com/rdomanski/Exploits_and_Advisories/blob/master/advisories/Pwn2Own/Tokyo2019/lao_bomb.mdCVE reference · x_refsource_MISC
- https://github.com/rapid7/metasploit-framework/pull/14365CVE 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.