Security readout for executives and security teams
Plain-English summary
CVE-2026-82592 is a critical memory-corruption flaw reported in D-Link DIR-825M firmware 1.1.8. An authenticated remote attacker may trigger a stack overflow through the disk-formatting handler, potentially compromising the device or disrupting service. Public exploit information exists, but the supplied sources do not establish active exploitation.
Executive priority
Treat confirmed DIR-825M 1.1.8 deployments as urgent because the reported impact includes full compromise and public exploit information exists. Immediately reduce management-plane exposure, verify administrative access, and seek vendor remediation. Do not describe this as active exploitation without additional evidence.
Technical view
The /boafrm/formDiskFormat endpoint passes the partition argument to function sub_46725C, where unsafe handling reportedly causes a stack-based buffer overflow. The CVSS 3.1 score is 9.9: network-accessible, low complexity, low privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to D-Link DIR-825M devices running firmware 1.1.8. Risk is greatest where the affected management endpoint is reachable by untrusted or compromised authenticated users. The source bundle does not identify other models, firmware versions, default exposure, or required device configuration.
Exploitation context
A public technical report or exploit reference is available, increasing practical risk. The CVSS vector indicates low privileges are required, so this is not documented as unauthenticated exploitation. The CVE is not listed as KEV in the supplied bundle, and no cited evidence confirms active exploitation in the wild.
Researcher notes
Evidence attributes the overflow to partition handling in sub_46725C at /boafrm/formDiskFormat and maps it to CWE-119 and CWE-121. Important unknowns include authentication specifics, affected configurations, exploit reliability, patched versions, vendor confirmation, and observed attacks. Validation should remain non-destructive on production devices.
Mitigation direction
- Inventory D-Link DIR-825M devices and identify those running firmware 1.1.8.
- Restrict device management access to trusted administrators and dedicated management networks.
- Prevent management interfaces from being exposed to the public internet.
- Check D-Link guidance for patched firmware or vendor-approved mitigation.
- Prioritize replacement or isolation if no supported corrective update is available.
Validation and detection
- Confirm device model and installed firmware through trusted administrative records or interfaces.
- Determine whether /boafrm/formDiskFormat is reachable from untrusted networks.
- Review management access controls and identify accounts able to reach the endpoint.
- Review relevant device and network logs for unexpected disk-formatting requests.
- Reassess after D-Link publishes authoritative remediation or affected-version guidance.
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-121: 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-2026-82592 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
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R3.16VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R3.16VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P——VulDBAV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR810VulDBVulnerability scoring details
Base CVSS 4.0 score
9.4CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R
Base CVSS 3.0 score
9.9CriticalVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/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-397087 | D-Link DIR-825M Disk Formatting Handler Endpoint formDiskFormat sub_46725C stack-based overflowCVE reference, VulDB · vdb-entry, technical-description
- VDB-397087 | CTI Indicators (IOB, IOC, IOA)CVE reference, VulDB · signature, permissions-required
- CVE-2026-82592 | CVE Analysis and ReportCVE reference, VulDB · third-party-advisory
- Submit #892514 | D-Link DIR-825M v1.1.8 Stack-based Buffer OverflowCVE reference, VulDB · third-party-advisory
- https://github.com/Robots10/IoT_vlu/blob/main/reports/Dlink/formDiskFormat/formDiskFormat.mdCVE reference, VulDB · exploit
- https://www.dlink.com/CVE reference, VulDB · product
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.
Stack-based Buffer Overflow
Stack-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.