K2 Security Vulnerabilities

CVE-2023-28811

There is a buffer overflow in the password recovery feature of Hikvision NVR/DVR models. If exploited, an attacker on the same local area network (LAN) could cause the device to malfunction by sending specially crafted packets to an unpatched...

CVE-2023-40796

Phicomm k2 v22.6.529.216 was discovered to contain a command injection vulnerability via the function...

CVE-2022-48070

Phicomm K2 v22.6.534.263 was discovered to contain a command injection vulnerability via the autoUpTime parameter in the automatic upgrade...

CVE-2022-48071

Phicomm K2 v22.6.534.263 was discovered to store the root and admin passwords in...

CVE-2022-48072

Phicomm K2G v22.6.3.20 was discovered to contain a command injection vulnerability via the autoUpTime parameter in the automatic upgrade...

CVE-2022-48073

Phicomm K2G v22.6.3.20 was discovered to store the root and admin passwords in...

CVE-2017-11495

PHICOMM K2(PSG1218) devices V22.5.11.5 and earlier allow unauthenticated remote code execution via a request to an unspecified ASP script; alternatively, the attacker can leverage unauthenticated access to this script to trigger a reboot via an ifType=reboot...

CVE-2022-25218

The use of the RSA algorithm without OAEP, or any other padding scheme, in telnetd_startup, allows an unauthenticated attacker on the local area network to achieve a significant degree of control over the "plaintext" to which an arbitrary blob of ciphertext will be decrypted by OpenSSL's...

CVE-2022-25219

A null byte interaction error has been discovered in the code that the telnetd_startup daemon uses to construct a pair of ephemeral passwords that allow a user to spawn a telnet service on the router, and to ensure that the telnet service persists upon reboot. By means of a crafted exchange of UDP....

CVE-2022-25215

Improper access control on the LocalMACConfig.asp interface allows an unauthenticated remote attacker to add (or remove) client MAC addresses to (or from) a list of banned hosts. Clients with those MAC addresses are then prevented from accessing either the WAN or the router...

CVE-2022-25214

Improper access control on the LocalClientList.asp interface allows an unauthenticated remote attacker to obtain sensitive information concerning devices on the local area network, including IP and MAC addresses. Improper access control on the wirelesssetup.asp interface allows an unauthenticated.....

CVE-2022-25217

Use of a hard-coded cryptographic key pair by the telnetd_startup service allows an attacker on the local area network to obtain a root shell on the device over telnet. The builds of telnetd_startup included in the version 22.5.9.163 of the K2 firmware, and version 32.1.15.93 of the K3C firmware...

CVE-2022-25213

Improper physical access control and use of hard-coded credentials in /etc/passwd permits an attacker with physical access to obtain a root shell via an unprotected UART port on the device. The same port exposes an unauthenticated Das U-Boot BIOS...

CVE-2019-19634

class.upload.php in verot.net class.upload through 1.0.3 and 2.x through 2.0.4, as used in the K2 extension for Joomla! and other products, omits .pht from the set of dangerous file extensions, a similar issue to...

CVE-2019-19576

class.upload.php in verot.net class.upload before 1.0.3 and 2.x before 2.0.4, as used in the K2 extension for Joomla! and other products, omits .phar from the set of dangerous file...

CVE-2019-19117

/usr/lib/lua/luci/controller/admin/autoupgrade.lua on PHICOMM K2(PSG1218) V22.5.9.163 devices allows remote authenticated users to execute any command via shell metacharacters in the cgi-bin/luci autoUpTime...

CVE-2018-7482

The K2 component 2.8.0 for Joomla! has Incorrect Access Control with directory traversal, allowing an attacker to download arbitrary files, as demonstrated by a view=media&task=connector&cmd=file&target=l1_../configuration.php&download=1 request. The specific pathname ../configuration.php should...

CVE-2015-7299

SQL injection vulnerability in Runtime/Runtime/AjaxCall.ashx in K2 blackpearl, smartforms, and K2 for SharePoint 4.6.7 allows remote attackers to execute arbitrary SQL commands via the xml...

CVE-2009-2395

SQL injection vulnerability in the K2 (com_k2) component 1.0.1 Beta and earlier for Joomla! allows remote attackers to execute arbitrary SQL commands via the category parameter in an itemlist action to...