CVE-2026-40684

In Exim before 4.99.2, on systems using musl libc (not glibc), a vulnerability can crash the connection instance when malformed DNS PTR data is present. The issue arises from a dn_expand octal printing oddity in the handling of PTR records, as described in multiple sources. Affected software/comp...

CVE-2018-25318

Tenda FH303/A300 firmware V5.07.68EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS...

EUVD-2018-21839

Tenda FH303/A300 firmware V5.07.68EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS...

CVE-2018-25318

Tenda FH303/A300 firmware V5.07.68EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS...

EUVD-2018-21838

Tenda W3002R/A302/W309R wireless routers version V5.07.64en contain a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted...

CVE-2018-25316 Tenda W308R v2 V5.07.48 Cookie Session Weakness DNS Change

Tenda W308R v2 V5.07.48 contains a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the goform/AdvSetDns endpoint with a crafted admin language cookie to change DNS...

EUVD-2018-21837

Tenda W308R v2 V5.07.48 contains a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the goform/AdvSetDns endpoint with a crafted admin language cookie to change DNS...

CVE-2018-25316

Tenda W308R v2 V5.07.48 contains a cookie session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. Attackers can send GET requests to the goform/AdvSetDns endpoint with a crafted admin language cookie to change DNS...

CVE-2026-7424 Integer Underflow in DHCPv6 Sub-Option Parser in FreeRTOS-Plus-TCP

Integer underflow in the DHCPv6 sub-option parser in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network actor to corrupt the device's IPv6 address assignment, DNS configuration, and lease times, and to cause a denial of service permanent IP task freeze requiring hardware reset ...

FreeBSD : Mozilla -- Other issue in the Networking: DNS component (4ca48006-430a-11f1-a627-b42e991fc52e)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 4ca48006-430a-11f1-a627-b42e991fc52e advisory. https://bugzilla.mozilla.org/showbug.cgi?id=2022726 reports: Other issue in the Networking: DNS...

Tenda W3002R 安全漏洞

The Tenda W3002R is a wireless router produced by the Chinese company Tenda. The Tenda W3002R has a security vulnerability, which stems from a Cookie session weakness. This vulnerability allows unauthenticated attackers to modify DNS settings by exploiting insufficient session validation. They ca...

Tenda FH303和Tenda A300 安全漏洞

Both the Tenda FH303 and Tenda A300 are wireless routers produced by the Chinese company Tenda. The Tenda FH303 and Tenda A300 V5.07.68EN versions contain security vulnerabilities. These vulnerabilities stem from session-related weaknesses, allowing unauthenticated attackers to modify DNS setting...

Tenda W308R 安全漏洞

The Tenda W308R is a home wireless router from the Chinese company Tenda. It supports wireless network connections and routing management functions. The Tenda W308R v2 V5.07.48 version has a security vulnerability. This vulnerability stems from a Cookie session weakness, which allows unauthorized...

PT-2026-36000

Name of the Vulnerable Software and Affected Versions Tenda W3002R/A302/W309R wireless routers version V5.07.64 en Description Insufficient session validation allows unauthenticated attackers to modify DNS settings. By sending GET requests to the '/goform/AdvSetDns' endpoint using a crafted admin...

PT-2026-36001

Tenda FH303/A300 firmware V5.07.68 EN contains a session weakness vulnerability that allows unauthenticated attackers to modify DNS settings by exploiting insufficient cookie validation. Attackers can send GET requests to the /goform/AdvSetDns endpoint with a crafted admin cookie to change DNS...

PT-2026-35975

Integer underflow in the DHCPv6 sub-option parser in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network actor to corrupt the device's IPv6 address assignment, DNS configuration, and lease times, and to cause a denial of service permanent IP task freeze requiring hardware reset ...

GHSA-63CW-R7XF-JMWR CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification

Summary CoreDNS's DNS-over-HTTPS DoH GET path accepts oversized dns= query values and performs substantial request parsing, query unescaping, base64 decoding, and message unpacking work before returning 400 Bad Request. A remote, unauthenticated attacker can repeatedly send oversized DoH GET...

CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification

Summary CoreDNS's DNS-over-HTTPS DoH GET path accepts oversized dns= query values and performs substantial request parsing, query unescaping, base64 decoding, and message unpacking work before returning 400 Bad Request. A remote, unauthenticated attacker can repeatedly send oversized DoH GET...

DEBIAN-CVE-2026-6238

The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...

CVE-2026-6238

The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...