Security readout for executives and security teams
Plain-English summary
A remotely reachable flaw in UTT HiPER 1200GW firmware can corrupt device memory when a crafted SSID reaches a configuration function. The supplied score indicates potentially complete confidentiality, integrity, and availability impact. Authentication is required under the cited CVSS vector, but published exploit material increases urgency.
Executive priority
Treat as an urgent asset-identification and containment issue. Prioritize affected devices with externally or broadly reachable administration. Public exploit material raises near-term risk, although active exploitation is unconfirmed. Obtain vendor remediation guidance promptly and consider isolation or replacement if supported firmware is unavailable.
Technical view
CVE-2026-78170 is a strcpy-based buffer overflow in /goform/formConfigFastDirectionW. Manipulating the ssid argument can overflow a buffer on HiPER 1200GW devices running firmware up to 2.5.3-170306. The evidence does not establish the precise post-overflow outcome, such as reliable code execution.
Likely exposure
Exposure is limited to UTT HiPER 1200GW devices on affected firmware. Risk is greatest where the relevant management endpoint is remotely reachable or credentials are compromised. The bundle provides no deployment prevalence, default-access, or vendor-support information.
Exploitation context
Public exploit or proof-of-concept material is referenced, showing disclosure beyond a theoretical finding. However, this CVE is not listed as KEV in the supplied data, and no cited evidence confirms active exploitation in the wild.
Researcher notes
The record identifies CWE-119 and CWE-120 and attributes the overflow to unsafe strcpy handling of ssid. CVSS 2.0 is 9.0 with network access, low complexity, and single authentication. No vendor advisory, fixed version, attack telemetry, or demonstrated impact beyond the overflow is supplied.
Mitigation direction
- Identify affected devices and restrict management access to trusted administrative networks.
- Check UTT guidance for patched firmware or vendor-approved mitigations.
- Upgrade when an applicable vendor-supported release is confirmed.
- Replace or isolate devices if no supported correction is available.
- Review and rotate administrative credentials where compromise is suspected.
Validation and detection
- Inventory HiPER 1200GW devices and record their exact firmware versions.
- Confirm whether /goform/formConfigFastDirectionW is reachable from untrusted networks.
- Review device and gateway logs for unusual configuration requests or instability.
- Compare observed activity with the cited VulDB CTI indicators.
- After remediation, verify firmware versions and management-interface access controls.
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-119: 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 lookupCWE-120: 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-2026-78170 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
- Critical
- CVSS
- 9 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
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
4 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.
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR810VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R2.85.9VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R2.85.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P——VulDBVulnerability scoring details
Base CVSS 4.0 score
8.7HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 3.0 score
8.8HighVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 2.0 score
9CriticalVector: AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineVulDB
Advisory disclosed
- Source timelineVulDB
VulDB entry created
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineVulDB
VulDB entry last update
- 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
- VDB-394559 | UTT HiPER 1200GW formConfigFastDirectionW strcpy buffer overflowCVE reference, VulDB · vdb-entry, technical-description
- VDB-394559 | CTI Indicators (IOB, IOC, IOA)CVE reference, VulDB · signature, permissions-required
- CVE-2026-78170 | CVE Analysis and ReportCVE reference, VulDB · third-party-advisory
- Submit #883902 | UTT HiPER 1200GW <=v2.5.3-170306 Buffer OverflowCVE reference, VulDB · third-party-advisory
- https://github.com/7wkajk/CVE-VUL/blob/main/108.mdCVE reference, VulDB · exploit
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 Restriction of Operations within the Bounds of a Memory Buffer
Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Buffer Copy without Checking Size of Input
Buffer Copy without Checking Size of Input represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.