CVE-2026-76852: high-severity vulnerability in Netcore NR268
Netcore NR268 1.7.121109 Forgeable Firmware Authenticity Check in mtd_write
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.3%
Netcore NR268 firmware version 1.7.121109 has an improper integrity verification flaw in mtd_write allowing forged firmware authenticity checks. Attackers can exploit put_file.cgi and check_image_uuid.c to bypass firmware signature validation and load unauthorized firmware images.
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
Affected products
Netcore · NR268Related CVEs — Netcore NR268
In the same product, most dangerous first.
CVE-2026-108907CRITICALNetcore NR268 CGI Execution user_ok improper authenticationEPSS 1.2%CVE-2026-108929CRITICALNetcore NR268 DDNS DDNSset.cgi execvp argument injectionEPSS 0.4%CVE-2026-108906HIGHNetcore NR268 filter_arp_put_file.cgi filter_arp_put_file_cgi out-of-boundsEPSS 0.4%CVE-2026-108930MEDIUMNetcore NR268 DDNS ddns_wan_list_show.cgi ddns_wan_list_show information disclosureEPSS 0.3%CVE-2026-108932MEDIUMNetcore NR268 DHCP Hostname filter_hosts_dump.cgi eval cross site scriptingEPSS 0.3%CVE-2026-108931MEDIUMNetcore NR268 DHCP dhcp_dynamicip_show.cgi eval cross site scriptingEPSS 0.3%