CVE-2026-92255: Out-of-bounds Read

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in filterarpputfile.cgi caused by improper use of a string handling API. Attackers can trigger an unterminated buffer over-read by exploiting this flaw in the affected component, potentially exposing adjacent memory...

CVE-2026-76873: Improper Neutralization of Input During Web Page Generation

Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in the DHCP dynamic IP display and ARP bind list display components handling hostname fields. A LAN-based attacker can inject malicious script through these hostname fields, which is later rendered by...

CVE-2026-76870: Out-of-bounds Read

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtdwrite pre-flash validation routine triggered by short firmware uploads. Attackers can upload a truncated firmware image via putfilecgi.c to trigger out-of-bounds reads across main.c, checkimageuuid.c, and...

CVE-2026-76869: Stack-based Buffer Overflow

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboottimerset.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory...

CVE-2026-76867: Improper Neutralization of Input During Web Page Generation

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting vulnerability in routing and NAT configuration CGI components including routingtabaddcgi, routingtablelistshowcgi, routepolicyaddcgi, and routepolicyparameshowcgi. Attackers can inject persistent script payloads...

CVE-2026-76863: Incorrect Authorization

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the modqosbandwidth plan.json handling within filterconnsdumpcgi.c and IGDCgiCall.c. Authenticated users with broad roles can access these QoS read routes to obtain live network telemetry beyond their...

CVE-2026-76862: Improper Neutralization of Argument Delimiters in a Command

Netcore NR255-V version 1.5.130703 contains an os command argument injection vulnerability in the Nettools tcpdump launch paths, including ntoolsstartsetcgi, ntoolstcpdumpstartsetcgi, exedefault, and ntoolsproc components. Attackers can inject crafted arguments into these tcpdump launch routines ...

CVE-2026-76861: Stack-based Buffer Overflow

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntoolstcpdumpstartset.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code...

CVE-2026-76860: Stack-based Buffer Overflow

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in wakeupset.cgi caused by unbounded tokenization of MAC and ID input. Attackers can supply crafted MAC and ID values to the affected endpoint to overflow the stack buffer and corrupt program memory...

CVE-2026-76856: Cross-Site Request Forgery (CSRF)

Netcore NR255-V firmware version 1.5.130703 contains a cross-site request forgery vulnerability affecting the wanconfigsetcgi, wannumsetcgi, and lanipchangecgi endpoints. Attackers can craft forged requests to trick authenticated administrators into modifying WAN or LAN network configuration...

CVE-2026-76857: Insufficiently Protected Credentials

Netcore NR255-V firmware version 1.5.130703 contains a sensitive information disclosure vulnerability in the ddnswanlistshow.cgi endpoint and related DDNSsetcgi, IGDGetCgiHandler, and IGDCgiCall components. Attackers who reach this CGI handler can obtain plaintext DDNS credentials, exposing...

CVE-2026-76855: Exposure of Private Personal Information to an Unauthorized Actor

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the audit endpoints handled by l7webauthlogdumpcgi.c, auditgetcgi.c, and moddispatchauth/plan.json. Attackers can query these audit components to obtain other users' session and browsing history data...

PT-2026-93212

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in filter arp put file.cgi caused by improper use of a string handling API. Attackers can trigger an unterminated buffer over-read by exploiting this flaw in the affected component, potentially exposing adjacent memor...

PT-2026-93213

NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l2tpd config show cgi.c, ipsec show cgi.c, and mod vpn remote/plan.json read handlers. Attackers can query l2tpd config show.cgi to expose stored IPsec PSK and RSA key material...

PT-2026-93201

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting vulnerability in routing and NAT configuration CGI components including routing tab add cgi, routing table list show cgi, route policy add cgi, and route policy parame show cgi. Attackers can inject persistent scri...

PT-2026-93203

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboot timer set.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory...

PT-2026-93205

Name of the Vulnerable Software and Affected Versions Netcore NR255-V version 1.5.130703 Description Sensitive information disclosure occurs through VPN read handlers. Attackers can exploit the endpoints 'mod vpn remote/plan.json', 'pptpd user show.cgi', 'pptp client config show.cgi', and 'l2tpd...

PT-2026-93199

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in the QoS setter CGI handlers filter conn del cgi.c and gre prio set cgi.c due to unchecked atoi results. An attacker can trigger the flaw by supplying crafted input to these handlers, causing a denial of servic...

PT-2026-93206

Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in DHCP static IP and IP ACL management pages, including dhcp add staticip cgi, dhcp staticip show cgi, ip acl set cgi, and ip acl show cgi. Attackers can inject persistent malicious scripts through these...

PT-2026-93207

Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in the DHCP dynamic IP display and ARP bind list display components handling hostname fields. A LAN-based attacker can inject malicious script through these hostname fields, which is later rendered by network...