Security readout for executives and security teams
Plain-English summary
This CVE describes credential disclosure on specific Ambit cable modem or gateway firmware versions through SNMP management queries. If those devices expose SNMP to untrusted networks, an attacker may be able to retrieve stored credentials. The sources do not provide a CVSS score, patch status, or evidence of active exploitation.
Executive priority
Prioritize discovery and containment if these devices exist in business or customer networks. The business risk is credential exposure from network infrastructure, especially where SNMP is externally reachable. Evidence is incomplete, so urgency depends on actual deployment and exposure.
Technical view
Ambit DDW2600 5.100.1009, DDW2602 5.105.1003, T60C926 4.64.1012, and U10C019 5.66.1026 are reported to disclose credentials through sensitive SNMP OID reads. The issue is a remote information disclosure condition. Public sources list affected models and firmware but do not name a vendor fix.
Likely exposure
Exposure is most likely where the named Ambit devices are still deployed and SNMP is reachable from customer, WAN, or other untrusted networks. Internal-only SNMP access lowers risk but still matters if local networks are compromised.
Exploitation context
The CVE says remote attackers can discover credentials via SNMP requests. The provided sources do not show KEV listing, active exploitation, exploit maturity, authentication requirements, or patch availability. Treat internet-reachable SNMP as the main risk amplifier.
Researcher notes
The public record identifies sensitive SNMP OID-based credential disclosure but lacks CVSS, CWE, detailed prerequisites, and remediation. Avoid assuming broader Ambit product impact beyond the listed models and firmware. Validate exposure through asset inventory and management-plane access review, not offensive reproduction.
Mitigation direction
- Inventory for the named Ambit models and firmware versions.
- Check vendor, ISP, or device-management guidance for firmware updates or replacement.
- Disable SNMP management where it is not operationally required.
- Restrict SNMP access to trusted management hosts and networks only.
- Rotate credentials if affected devices were exposed to untrusted networks.
- Monitor for unexpected SNMP access to gateway devices.
Validation and detection
- Confirm whether any deployed devices match the listed models and firmware versions.
- Verify whether SNMP is enabled on affected devices.
- Check firewall and ACL rules for SNMP reachability from untrusted networks.
- Review device and network logs for unexpected SNMP polling.
- Document compensating controls if firmware updates are unavailable.
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.
CVE-2018-20380 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/ezelf/sensitivesOids/blob/master/oidpassswordleaks.csvCVE reference · x_refsource_MISC
- https://misteralfa-hack.blogspot.com/2018/12/stringbleed-y-ahora-que-passwords-leaks.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.