Security readout for executives and security teams
Plain-English summary
TFTP Broadband 4.3.0.1465 may let a local, low-privileged attacker turn existing access into full Windows system control. The issue is a misconfigured Windows service path. It is not remotely exploitable from the source bundle alone, but it is serious on shared servers, jump hosts, or systems where attackers may already have a foothold.
Executive priority
Treat this as a high-priority hardening and exposure-reduction item where the product is installed. It is not evidence of internet-scale remote compromise, but it can convert limited local access into full host compromise, making it important on sensitive Windows servers.
Technical view
The tftpt.exe service binary path is reportedly unquoted in TFTP Broadband 4.3.0.1465. Because the path contains spaces, Windows service startup can resolve and run an attacker-placed executable earlier in the path. Successful exploitation requires local low-privileged access and can execute arbitrary code as LocalSystem during service startup or reboot.
Likely exposure
Exposure appears limited to Windows systems running Weird-Solutions TFTP Broadband 4.3.0.1465 with the affected tftpt.exe service installed. Organizations should prioritize internet-supporting infrastructure, file-transfer services, legacy Windows servers, and hosts where non-admin users can write into relevant parent directories.
Exploitation context
The source bundle includes an ExploitDB reference and marks it as exploit material, but does not show active exploitation. The CVE is not listed as KEV in the provided data. Exploitation requires local access, so this mainly raises the impact of phishing, stolen credentials, insider activity, or post-compromise movement.
Researcher notes
Evidence is strongest for affected version, weakness class, privilege requirement, and LocalSystem impact. The provided bundle does not identify a vendor patch, affected version range beyond 4.3.0.1465, or confirmed in-the-wild exploitation. Avoid broad product assumptions until vendor or additional advisory data confirms them.
Mitigation direction
- Inventory systems for TFTP Broadband 4.3.0.1465 and the tftpt.exe service.
- Check Weird-Solutions guidance for a supported update or configuration correction.
- Disable or remove the affected service where it is not business-required.
- Restrict local write permissions on service path parent directories.
- Monitor service restarts and unexpected executable creation in Program Files paths.
Validation and detection
- Confirm the installed TFTP Broadband version on Windows hosts.
- Inspect the tftpt.exe service ImagePath for an unquoted path with spaces.
- Verify the service account and whether it runs as LocalSystem.
- Review ACLs on each parent directory in the service path.
- Search endpoint logs for suspicious executables launched during service startup or reboot.
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-428: 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 lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2020-37250 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
- High
- CVSS
- 8.5 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA: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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N——VulnCheckCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9VulnCheckVulnerability scoring details
Base CVSS 4.0 score
8.5HighVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- ExploitDB-49852CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- VulnCheck Advisory: TFTP Broadband 4.3.0.1465 Unquoted Service Path Privilege EscalationCVE reference, VulnCheck · third-party-advisory
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.
Unquoted Search Path or Element
Unquoted Search Path or Element represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.