Siemens S7-1500 Inefficient Algorithmic Complexity (CVE-2025-66382)

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

Siemens S7-1500 Use of Uninitialized Variable (CVE-2025-39931)

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg - Set merge to zero early in afalgsendmsg If an error causes afalgsendmsg to abort, ctx-merge may contain a garbage value from the previous loop. This may then trigger a crash on the next entry into afalgsendmsg whe...

Siemens S7-1500 Heap-based Buffer Overflow (CVE-2025-11495)

A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elfx8664relocatesection of the file elf64-x86-64.c of the component Linker. This manipulation causes heap- based buffer overflow. The attack can only be executed locally. The exploit has been publicly...

Siemens S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2025-7546)

A vulnerability, which was classified as problematic, has been found in GNU Binutils 2.45. Affected by this issue is the function bfdelfsetgroupcontents of the file bfd/elf.c. The manipulation leads to out-of-bounds write. It is possible to launch the attack on the local host. The exploit has bee...

Siemens S7-1500 Use After Free (CVE-2025-39977)

"In the Linux kernel, the following vulnerability has been resolved: futex: Prevent use-after-free during requeue-PI syzbot managed to trigger the following race: T1 T2 futexwaitrequeuepi futexdowait schedule futexrequeue futexproxytrylockatomic futexrequeuepiprepare requeuepiwakefutex...

Siemens S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2025-11082)

A flaw has been found in GNU Binutils 2.45. Impacted is the function bfdelfparseehframe of the file bfd/elf-eh-frame.c of the component Linker. Executing manipulation can lead to heap-based buffer overflow. The attack is restricted to local execution. The exploit has been published and may be use...

Siemens S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2025-11494)

A vulnerability was found in GNU Binutils 2.45. Impacted is the function bfdx86elflatesizesections of the file bfd/elfxx-x86.c of the component Linker. The manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has been made public and could be used. Th...

Siemens S7-1500 Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2025-11083)

A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elfswapshdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public an...

Siemens S7-1500 Missing Release of Memory after Effective Lifetime (CVE-2025-39929)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirectrecvio leak in smbdnegotiate error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on kmemcacheshutdown This plugin only works with Tenable.ot. Please vis...

CVE-2026-21903

A Stack-based Buffer Overflow vulnerability in the Packet Forwarding Engine pfe of Juniper Networks Junos OS allows a network-based attacker, authenticated with low privileges to cause a Denial-of-Service DoS. Subscribing to telemetry sensors at scale causes all FPC connections to drop, resulting...

CVE-2025-40944: Uncontrolled Resource Consumption

A vulnerability has been identified in SIMATIC ET 200AL IM 157-1 PN 6ES7157-1AB00-0AB0 All versions, SIMATIC ET 200MP IM 155-5 PN HF 6ES7155-5AA00-0AC0 All versions = V4.2.0, SIMATIC ET 200SP IM 155-6 MF HF 6ES7155-6MU00-0CN0 All versions, SIMATIC ET 200SP IM 155-6 PN HA incl. SIPLUS variants All...

CVE-2019-18336

A vulnerability has been identified in SIMATIC S7-300 CPU family incl. related ET200 CPUs and SIPLUS variants All versions V3.X.17, SIMATIC TDC CP51M1 All versions V1.1.8, SIMATIC TDC CPU555 All versions V1.1.1, SINUMERIK 840D sl All versions V4.8.6, SINUMERIK 840D sl All versions V4.94. Speciall...

CVE-2020-7584

A vulnerability has been identified in SIMATIC S7-200 SMART CPU family All versions = V2.2 V2.5.1. Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation...

The vulnerability of microprogrammed software in programmable logic controllers SIMATIC S7-1200, related to improper release of resources, allows a intruder to trigger a service failure.

The vulnerability of microprogrammed software in programmable logic controllers SIMATIC S7-1200 is related to the improper release of resources. Exploiting this vulnerability can allow an attacker, operating remotely, to cause malfunctions in the system...

CVE-2025-14673 gmg137 snap7-rs client.rs as_ct_write heap-based overflow

A vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7rs::client::S7Client::asctwrite of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to t...

Siemens SIMATIC S7-1500 Use After Free (CVE-2023-31248)

Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; nftchainlookupbyid failed to check whether a chain was active and CAPNETADMIN is in any user or network namespace This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for mor...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-9936)

In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5hash.c. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Use After Free (CVE-2022-48560)

A use-after-free exists in Python through 3.9 via heappushpop in heapq. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc. include'compat.inc'; if description scriptid503972; scriptversion"1.3"...

Siemens SIMATIC S7-1500 NULL Pointer Dereference (CVE-2019-9937)

In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5hash.c and ext/fts5/fts5index.c. This plugin only works with Tenable.ot. Please visit...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2019-3859)

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the libssh2packetrequire and libssh2packetrequirev functions. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory. This plugin only works with Tenable.ot...