CVE-2026-32669 | Buffalo Wi-Fi Router code injection

VDB-353821 · CVE-2026-32669 · GCVE-0-2026-32669 BUFFALO WI-FI ROUTER CODE INJECTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 8.8 $0-$5k 3.77+ Summaryinfo A vulnerability classified as critical has been found in Buffalo Wi-Fi Router. The affected element is an unknown function. This manipulation causes code injection. This vulnerability is handled as CVE-2026-32669. The attack can be initiated remotely. There is not any exploit available. Detailsinfo A vulnerability has been found in Buffalo Wi-Fi Router (version now known) and classified as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is: Code injection vulnerability exists in BUFFALO Wi-Fi router products. If this vulnerability is exploited, an arbitrary code may be executed on the products. The advisory is shared at buffalo.jp. This vulnerability is known as CVE-2026-32669 since 03/25/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/27/2026). MITRE ATT&CK project uses the attack technique T1059 for this issue. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Router Operating System Vendor Buffalo Name Wi-Fi Router License commercial CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 8.8 VulDB Meta Temp Score: 8.8 VulDB Base Score: 8.8 VulDB Temp Score: 8.8 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.8 CNA Vector (jpcert): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Code injection CWE: CWE-94 / CWE-74 / CWE-707 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/25/2026 CVE reserved 03/27/2026 +2 days Advisory disclosed 03/27/2026 +0 days VulDB entry created 03/27/2026 +0 days VulDB entry last update Sourcesinfo Advisory: buffalo.jp Status: Confirmed CVE: CVE-2026-32669 (🔒) GCVE (CVE): GCVE-0-2026-32669 GCVE (VulDB): GCVE-100-353821 Entryinfo Created: 03/27/2026 07:31 Changes: 03/27/2026 07:31 (73) Complete: 🔍 Cache ID: 99:992:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸