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4 vulnerabilities by davenardella
CVE-2026-16225 (GCVE-0-2026-16225)
Vulnerability from nvd – Published: 2026-07-19 08:00 – Updated: 2026-07-20 13:56
VLAI
EPSS
VEX
Title
davenardella snap7 s7_peer.cpp NegotiatePDULength out-of-bounds write
Summary
A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7_peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 13:55 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380047 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380047/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16225 | third-party-advisory |
| https://vuldb.com/submit/858228 | third-party-advisory |
| https://github.com/davenardella/snap7/issues/17 | exploitissue-tracking |
| https://github.com/davenardella/snap7/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| davenardella | snap7 |
Affected:
1.4.0
Affected: 1.4.1 Affected: 1.4.2 Affected: 1.4.3 cpe:2.3:a:davenardella:snap7:*:*:*:*:*:*:*:* |
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CVE-2026-15105 (GCVE-0-2026-15105)
Vulnerability from nvd – Published: 2026-07-08 22:15 – Updated: 2026-08-01 14:56
VLAI
EPSS
VEX
Title
davenardella snap7 ReadVar Request s7_server.cpp PerformFunctionRead out-of-bounds write
Summary
A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7_server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires access to the local network. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 13:18 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376946 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376946/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15105 | third-party-advisory |
| https://vuldb.com/submit/851026 | third-party-advisory |
| https://github.com/davenardella/snap7/issues/16 | issue-tracking |
| https://github.com/user-attachments/files/2868174… | exploit |
| https://github.com/davenardella/snap7/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| davenardella | snap7 |
Affected:
1.4.0
Affected: 1.4.1 Affected: 1.4.2 Affected: 1.4.3 cpe:2.3:a:davenardella:snap7:*:*:*:*:*:*:*:* |
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CVE-2026-16225 (GCVE-0-2026-16225)
Vulnerability from cvelistv5 – Published: 2026-07-19 08:00 – Updated: 2026-07-20 13:56
VLAI
EPSS
VEX
Title
davenardella snap7 s7_peer.cpp NegotiatePDULength out-of-bounds write
Summary
A security flaw has been discovered in davenardella snap7 up to 1.4.3. The impacted element is the function TSnap7Peer::NegotiatePDULength of the file src/core/s7_peer.cpp. The manipulation of the argument PDULength results in out-of-bounds write. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-20 13:55 UTC
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/380047 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/380047/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-16225 | third-party-advisory |
| https://vuldb.com/submit/858228 | third-party-advisory |
| https://github.com/davenardella/snap7/issues/17 | exploitissue-tracking |
| https://github.com/davenardella/snap7/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| davenardella | snap7 |
Affected:
1.4.0
Affected: 1.4.1 Affected: 1.4.2 Affected: 1.4.3 cpe:2.3:a:davenardella:snap7:*:*:*:*:*:*:*:* |
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CVE-2026-15105 (GCVE-0-2026-15105)
Vulnerability from cvelistv5 – Published: 2026-07-08 22:15 – Updated: 2026-08-01 14:56
VLAI
EPSS
VEX
Title
davenardella snap7 ReadVar Request s7_server.cpp PerformFunctionRead out-of-bounds write
Summary
A flaw has been found in davenardella snap7 up to 1.4.3. This affects the function TS7Worker::PerformFunctionRead of the file src/core/s7_server.cpp of the component ReadVar Request Handler. This manipulation causes out-of-bounds write. The attack requires access to the local network. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 13:18 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/376946 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/376946/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-15105 | third-party-advisory |
| https://vuldb.com/submit/851026 | third-party-advisory |
| https://github.com/davenardella/snap7/issues/16 | issue-tracking |
| https://github.com/user-attachments/files/2868174… | exploit |
| https://github.com/davenardella/snap7/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| davenardella | snap7 |
Affected:
1.4.0
Affected: 1.4.1 Affected: 1.4.2 Affected: 1.4.3 cpe:2.3:a:davenardella:snap7:*:*:*:*:*:*:*:* |
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